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A car moves in a straight road. The velocity at point A is 50 km/hr, It presses the accelerator paddle and reach point B in 10 sec. The velocity ar point B is 100Km/hr
Find the average acceleration of the car from point A to point B?
A rod moving in the positive x direction is measured by a stationary observer to have a length of 10.0meters, Find the speed of the second observer as measured by the stationary observe
A 60.0 kg crate is slid up an inclined ramp 2m long onto a platform 1.6 m above the floor level. A 452 N force, parallel to the ramp, is needed to slide the crate up the ramp at a constant speed. How much work is done in sliding the crate up the r..
question a 4.0-microc charge is situated at the origin of an xy-coordinate system. what is the potential difference
You stand on the shore of a small river that measure 10 meters across. You take your cat and throw it into the middle of the stream. How long did it take the cat to reach you
A 50kg woman is in a rotor with a 2m radius, laying against theinner surface. The friction between the woman’s sweater andthe surface is μs = 0.5.
The mass of the earth is 5.98 X 10^24 kg, the mass of the moon is 7.36 X 10 ^22 kg, How far is the center of mass of the earth-moon system from the center of the earth
A compressive force of 2.7×104N is exerted on the end of a 24-cm-long bone of cross-sectional area 3.9cm2. By how much will the bone shorten
A boat moves through the water with two forces acting on it. One is a 2149 N forward push by the motor on the propeller, What is the acceleration of the 1156 kg boat
What minimum voltage does the power source have to be for the circuit to do its job in at least 20 minutes? What is the minimum number of those capacitors will you need and should they be wired?
Determine the net torque on the 2.8-m-long uniform beam shown in the figure. All forces are shown. (Figure 1)Calculate about point C the CM. Take counterclockwise torques to be positive. Calculate about point point P. at one end. Take counterclockwi..
The bullet penetrates into the block and stops due to itsfriction with the block. Calculate the total energy of the composite system at any timeafter the collision
A 3.80 m-long, 430 kg steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 66.0 kg construction worker stands at the far end of the beam. What is the magnitude of torque abou..
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