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The water level of a tank on a building roof is 2657cm above ground . A tube leads from the tank bottom to the ground. The tube has a nozzle pointing straight up at the end. a) what is the maximum hei
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An ideal steam turbine takes in steam at the rate of 2981 Kg/h and its power output is 700 kW. Find the change in the specific enthalpy of the steam as it passes through the turbine if the entrance ve
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An electrical resistance coil is placed inside a cylinder with adiabatic walls fitted with a frictionless piston and containing an ideal gas. A current of 5 A is maintained through the resistance, acr
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The specific heat capacity of an ideal gas is given by Cv= A + BT . a) Firstly calculate the change in entropy in going from the state (V1, T1) to state (V2,T2). Then, b) plot the entropy as a functio
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Round to the nearest whole number
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1. Calculate the size of the universe (in km), in two ways: a) rate of expansion (120 km/s) multiplied by time since the big bang (14 B yr). b) distance traveled by light between earth and
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How to understand position time graphs and find the answers to those questions ?
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I don't understand this question
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need help with homework
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I want to double check my answer and make sure it right. Inverse square Law Calculate intensity of radiation at a SID of 140cm if the intensity at 100cm is 500mR
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A string with length of 1.4 m is under 20,110 N of tension and creates a frequency of 220 Hz. What is the linear density of the string? Report to two decimal places.
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The tension required to create a vibration velocity of 220 m/s in a string with a linear density of 0.06 kg/m is:
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What is the velocity of sound in a string that has a tension of 6,000 N and a linear density of 0.04 kg/m?
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Need to get V and M graphics and get their numbers using the equation method
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The center of the Hubble space telescope is 6940 km from Earth’s center. If the gravitational force between Earth and the telescope is 9.21 × 104 N, and the mass of Earth is 5.98 × 1024 kg, what is th
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Need help with 7 & 8 ASAP
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A 3.50 kg block starts from rest at the top of a 45.0 degree incline and accelerates uniformly down the incline, moving at 3.00m in 1.50
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major-league pitcher can throw a ball in excess of 35.9 m/s. If a ball is thrown horizontally at this speed, how much will it drop by the time it reaches a catcher who is 17.0 m away from the point of
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Help please this is an international economics paper.
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Presumably, reality television programs aim to provide a realistic portrayal of the behavior displayed by the characters featured in such programs. This section pointed out why this is not really the
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Use a sheet of printer paper with a few heavier (non-breakable) objects on it. See if you can quickly pull the paper out from under the objects.
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THE FOLLOWING STATEMENTS FALSE ABOUT GRAVITIONAL FORCE 1. IT CAN BE AN ATTRACTION FORCE OR REPULSIVE FORCE 2. IT IS UNIVERSAL FORCE 3. IT IS STRONG FORCE
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In A = B" C" expression, A has a dimension of [LT], and B has a dimension of [L*T| IfC has a dimension of [L'T), find the value of m+n.
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would like to know the answer and steps. would like to find the price of all three and individuals
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Some reckless campers throw a sealed aerosol can into the campfire. At 300 K the gas is under 2 atm of pressure. What is the pressure when the can is heated to 500 K?
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PHYSICS-2Que&Ans1.how do you prove that friction produces heat energy? PHYSICS-2Que&Ans1.how do you prove that friction produces heat energy?2.why do sport`s man use spikes?3.How do you reduce
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An electric train moves from rest with a uniform acceleration of 1.5 for the first 10s and continues accelerating at 0.5 for a further 20s. It continues at a constant speed for 90s and finally takes 3
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An airplane is flying through a thundercloud at a height of 15000 m. If there is charge concentrations of 60C at a height of 30000 m & 45Cat a height of 5000 m, what is the electric field experien
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Calculate the output voltage Vout if Vin=sin(103t).
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I need help ASAP. Please provide ALL work.
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In each of the top three boxes Wright down one characteristic of REM sleep. In each of the bottom boxes write down one characteristic of MREM sleep.
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I need help to solve this. I'm not sure how to deal with it. 14. The load 1 with the mass m1 is sliding along the face of the prism 2 with the mass m2 moving along the horizontal plane (fig. 14). The
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a. The maximum height above the ground of a projectile launched at an angle of 29.2° to the horizontal is found to be 57.5 m. What is the initial speed of the projectile? b. What is the horizontal ran
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a. The maximum height above the ground of a projectile launched at an angle of 29.2° to the horizontal is found to be 57.5 m. What is the initial speed of the projectile? b. What is the horizontal ran
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I need help solving this question
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The velocity of a vertical oscillating mass-spring system is given by: v = 0.750 m/s sin 4t Determine a) the amplitude b) maximum acceleration of this oscillator.
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Two objects, a Hula hoop and a solid cylinder, both with a mass of 2.75 kg and with an initial speed of 4.5 m/s are rolling wihtout slipping along a horizontal surface. Then they roll down a ramp that
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A 1 L cup of water is heated until it absorbs 5000 J. What is the temperature change of the water?
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Liquid ethylene oxide at 0 oC is evacuated through a circular pipe with a diameter of 2.5 cm and an average velocity of 10 m/s to the open air at a the pressure of 105 kPa. The measured pressure (abso
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How does the graph connect to Newton’s second law?
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A car traveling on I-96 approached a construction zone and slowed from 65 miles per hour (30 meters/second) to 45 mph (20 m/s) in 5 seconds. Calculate the distance the car will take to slow down.
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As a 0.0225 kg bullet travels though the barrel of a gun it accelerates at 1.90 x 105 m/s2 . If the applied force on the bullet is 5.00 x 103 N, what is the friction force acting on it?
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Brian Berg of Iowa built a house of cards 4.88 m tall. Suppose Berg throws a ball from ground level with a velocity of 9.98 m/s straight up. What is the velocity of the ball as it first passes the top
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A bow has k= 458 N/m. It is pulled back 0.72, and used to fire a 0.0925 kg arrow. It hits a bird 24.7 m above the ground. What is the speed of the arrow when it hits. I got 21.2 and wanted to check my
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Read and answer questions on file
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A 0.50-kg cart (#1) is pulled with a 1.0-N force for 1 second; another 0.50 kg cart (#2) is pulled with a 2.0 N-force for 0.50 seconds
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A crate of physics textbooks is sliding across the room at 18 m/s. What is the coefficient of friction that causes it to come to a stop in 12 s?
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On July 13th, 1977, while driving on a test track, British racer David Purley had a bit of a predicament. The throttle on his car became stuck, and he slammed into a wall at 173 km/hr. He stopped in
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I need to get caught up. I'm behind due to a family members Illness.
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A ballerina is spinning at 5 revolutions/ Second
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