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A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 53.9 meters per second squared. The acceleration period lasts for time 9.00s until the fuel is exhausted. After that, the rocket is in free fall. Find the maximum height ymax reached by the rocket. Ignore air resistance and assume a constant acceleration due to gravity equal to 9.80 meters per second squared. Answer in meters/
Two cars of mass 2000 kg and 1000 kg, respectively, collide inelastically. Their velocity after impact is 4 m/s, Find the initial speed and direction of the lighter car
A point P is on a rim of a wheel of radius 2.0m. At time t=0 wheel is at rest and P is on the x-axis. The wheel undergoes a uniform angular acceleration of 0.01 rad/s2 about the center O. Find out the time t, when P returns to an original position on..
Two identical positive charges exert a repulsive force of 6.2 multiplied by 10-9 N when separated by a distance of 3.4 multiplied by 10-10 m. Calculate the charge of each.
A creamy salad dressing is made up of heavy cream, corn oil, If the cream layer is 2.20×10?2 m tall, the oil layer 2.80×10?2 m tall, and the vinegar layer 8.000e-3 m tall, what is the gauge pressure at the bottom of the jar
At a certain instant, a ball is thrown downward with a velocity of 8.0 m/s from a height of 40 m. find the time when the balls collide
The same voltage is applied between the plates of two different capacitors. When used with capacitor A, this voltage causes the capacitor to store 13, Determine qB
A particular vacuum flask has a mass of 1 kilogram and contains 1 liter of liquid water, how much energy did the heating element supply, You can disregard the energy needed to warm and vaporize the water
A rocket of mass 7 kg moves with a constant velocity of 547 m/s eastward. It suddenly explodes and scatters into two pieces. find the direction of the second part
Your 2.20 kg physics book rests on a horizontal tabletop. Find the normal force on the book. Suppose you pull up on the book with a 15.0 N force
A block of mass 4.0 kg is put on top of a block of mass M = 5.5 kg. To cause the top block to slip on the bottom one, while the bottom one is held fixed, a horizontal force of at least 16 N must be applied to the top block. The assembly of blocks is ..
A loudspeaker in a parked car is producing sound whose frequency is 20680 Hz, what is the minimum speed of the moving car
Gas is contained in an 8.05 liter vessel at a temperature of 18.5 deg C and a pressure of 8.47 atm. How many molecules are in the vessel
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