What is the speed of the truck
A baseball pitcher can throw a ball with a speed of 70 {rm m/s}. He is in the back of a pickup truck that is driving away from you. He throws the ball in your direction, and it floats toward you at a lazy 20 {rm m/s}. What is the speed of the truck?
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A block with a mass of 10g is pulled at a constant speed across a horizontal tabletop with a spring scale. the scale reads 65.3N. calculate the coefficient of kinetic friction.
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He throws the ball in your direction, and it floats toward you at a lazy 20 {rm m/s}. What is the speed of the truck?
Three charges are arranged in a square (along with point P) with sides equal to 12.5cm as in figure below. Calculate the electric field (magnitude and direction) at point P due to the three charges. Next, calculate the force (magnitude and directi
A grocery cart with mass of 18 kg is pushed at a constant speed along an aisle by a force F = 12 N. the applied force acts at a 20 degree angle to the horizontal. find the work done by each of the forces on the cart if the aisle is 15 m long.
The coefficient of kinetic friction between each brake pad and the rim is μk = 0.85. What is the magnitude of the normal force that each brake pad applies to the rim?
A projectile is fired horizontally from a gun that is 45.0 m above flat ground, emerging from the gun with a speed of 250 m/s. (a) How long does the projectile remain in the air? (b) At what horizontal distance from the firing point does it strike
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