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1. In the figure below, the horizontal surface on which the objects slide is frictionless. If F = 12 N, what is the tension in string 1?
2. An 8.0-kg object rests on the floor of an elevator which is accelerating downward at a rate of 1.3 m/s2. What is the magnitude of the force (in N) that the object exerts on the floor of the elevator?
Standing Waves on a Stretched String - The purpose of this experiment is to examine the relationship between wavelength λ, frequency f, and velocity v of standing waves in a stretched string
A 1-kg steel ball and a 2-m cord of negligible mass make up asimple pendulum that can pivot without friction about a pointabove the system. What is the velocity of the block just after impact
A capacitor with air between its plates is charged to 130 V and then disconnected from the battery. Whena piece of glass is placed between the plates, the voltage acrossthe capacitor drops to 25 V. What is the dielectric constant of the glass?
Compressed air in a car lift applies a force to a piston with radius 5.00 cm. What pressure produces the lift
suppose after the ball reaches the ground ,it bounces back straight upwards at the speed of half of the speed that it hits the ground, calculate the maximum height that the ball bounces
A filing cabinet weighing 556 N rests on the floor. The coefficient of static friction between it and the floor is 0.68, In which of the attempts does the cabinet move
An antifreeze solution is made by mixing ethylene glycol (?= 1116 kg/m3) with water. determine the volume percentage of ethylene glycol in the solution
question1in an assembly operation a robot moves an object first straight upward and then also to the east around an arc
Particle A has a mass of 5.5 g, particle B has a mass of 1.3 g. Particle A is located at the origin, particle B at the point (x, y) = (25 cm, 0). What is the location of the center of mass
A hydraulic jack is made by a small piston 1.3 cm in diameter that is utilized to move a large piston 6.1 cm in diameter. If a man can exert a force of 360 N on the small piston, how heavy a load can he lift by the jack?
A worker pushes a 34 kg block 13m along a level floor at constant speed with a force directed 38° below the horizontal. If the coefficient of kinetic friction between block and floor was 0.19.
Furthermore, describe any differences in kinetic energy and gravitation potential energy among these balls while they hit the ground.
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