What makes the steps of foot over bridge at railway station to wear out slowly?

A puddle dries up by the process of awnsers a - melting b - freezing c-condensation Or D-evaporation

A ball is thrown with a velocity of 20 m/s at an angle of 60 degrees above the horizontal. What is the horizontal component of its instantaneous velocity at the the exact top of its trajectory?

When Hannah rubs her hands together on a cold day, the friction converts what energy

4) Which of the following best refers to an air mass that forms over tropical land? a) TC b) AC c) TE d) PM 5) Which of the following best defines a warm front?

Which best describes how air moves during convection?

A 70 kg boy is sitting 3 m from the ground in a tree. what is his gravitational potential energy

Which of the following describes the flow of charges through a wire or a conductor?

What is the kinetic energy of a 2 kg snowball thrown through the air at 5 m/s?

A 5.00*105-kg subway train is brought to a stop from a speed of 0.500 m/s in 0.400 m by a large spring bumper at the end of its track. what is the force constant k of the spring

A moving object always has energy in its?