A trolley has a mass of 10kg and a velocity of 1.0m/s. It is given a push of magnitude 20N in the opposite direction to its velocity.

The trolley’s speed decreases to 0.5m/s. Its direction does not change.

Calculate the time for which the force acted.

HELP PLEASE ITS URGENT

If an object with an initial temperature of 300 k increases its temperature by 1°c every minute, by how many degrees fahrenheit will its temperature have increased in 10 minutes? (a) 6°f (b) 10°f (c) 18°f (d) 30°f

What are the applications of electromagnetic waves

Which lists the fundamental forces in order, from strongest to weakest? strong nuclear, weak nuclear, electromagnetic, gravitational strong nuclear, electromagnetic, weak nuclear, gravitational gravitational, weak nuclear, electromagnetic, strong nuclear electromagnetic, gravitational, strong nuclear, weak nuclear