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How many joules of potential energy does 1.5-kg book gain when it is elevated 2 m? when it is elevated 4 m(let g= 10 N/kg)calculated the number of joules of kinetic energy a 1-kg parrot has when it flies at 6m/s.
What is the least coefficient of friction between tires and road that will allow cars to negotiate the turn without sliding off the road.
q1. a 3.72 g bullet moving at 290 ms enters and stops in an initially stationary 3.30 kg wooden block on a horizontal
Assume that each cubic centimeter of water has a mass of exactly 1.00 g. What is the mass of one cubic meter of water
q1. a ball in flight is recorded and analyzed using digital video analysis software. the analysis produced the result
A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 19.0° below the horizontal, Find the car's position relative to the base of the cliff when the car lands in the ocean
A ski jumper takes off at an angle 20 degrees above the horizontal with a speed of 30.0m/s, Calculate the time of flight
A 11.8-kg cylinder rolls without slipping on a rough surface. At an instant when its center of gravity has a speed of 10.8 m/s, find the translational kinetic energy of its center of gravity
Communications satellites are placed in a circular orbit where they stay directly over a fixed point on the equator as the earth rotates. What is the apparent weight of a 2000 kg satellite in a geosynchronous orbit
The drawings show three charges that have the same magnitude but may have different signs. Determine the magnitude of the net force on charge
A charged particle A exerts a force of 2.75 ?N to the right on charged particle B when the particles are 12.0 mm apart. Particle B moves straight away from A to make the distance between them 17.6 mm. What vector force does particle B then exert o..
A 5kg particle is hit with a 5N force for 0.2s towards a wall 5m away. How long does it take for the particle to hit the wall
After a completely inelastic collision, two objects of the same mass and same initial speed are found to move away together at 1/2 their initial speed
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