You push a 10 kg box along the floor of a garage a distance of 4 meters at a constant rate. The coefficient of friction between the floor and the box is 0.5.

Keneila is attempting to ski down a 20 m high friction free hill for the first time. she has a speed 10 m/s at the top. what is her kinetic energy when she is a the bottom, 20 m ? (a)2500 j (b)9800 j (c)12300 j (d)3100j (e)15000j

How many neutrons does element x have if it’s stormy umber is 33 and it’s mass number is 95?

Write a question about how changing temperature affects the gas inside the sports ball