Two metal balls having masses `50g` and `100g` collides with a target with same velocity. Then the ratio of their rise in temperature is

Two metal balls having masses 50g and 100g collides with a target with same velocity. Then the ratio of their rise in temperatures is

two copper balls having masses 5 gm and 10 gm collide with a target with the same velocity. If the total energy is used in heating the balls. Which ball will attain higher temperature?

If two balls of same metal weighing 5 gm and 10 gm strike with a target with the same velocity. The heat energy so developed is used for raising their temperature alone, then the temperature will be higher

Two metallic blocks P and Q having masses in ratio 2 : 1 are supplied with the same amount of heat. If their temperatures rise by same degree, compare their specific heat capacities.

A cricket ball of mass 250 g collides with a bat with velocity of 10 m/s and returns with the same velocity in 0.01s. The force acting on the bat is

A cricket ball of mass 250g collides with a bat with velocity 10m//s and returns with the same velocity within 0.01 second. The force acted on bat is

Two metallic wires of the same metal whose masses are 12g and 18g have lengths in the ratio 3:4 .Their resistances are in the ratio