10. A 5.0 g pellet is placed in the barrel of a toy gun and is propelled by a spring of force

constant 50. N/m. The spring is compressed 20. cm and then released. Calculate the

maximum velocity of the pellet when shot horizontally.

Imagine that you want to make sure the battery for your string of lights will last as long as possible. A battery will last longer if it powers a circuit with low current.

Why do some nucleus release electrons?

How can the net force on an object change the motion of the object

On Earth, the white colored paper represents areas that are

Ten seconds after starting from rest a freely falling object will have a speed of about A) 10m/s B) 50m/s C) 100m/s D) more than 500m/s

The heating element of an electric oven is designed to produce 5.0 kw of heat when connected to a 220 v source. what must be the resistance of the element?

Suppose all the grains in a sample of sand were exactly the same size. Could the sample still be a heterogeneous mixture?

A refrigeration system is to cool bread loaves with an average mass of 350 g from 30 to - 10°C at a rate of 1200 loaves per hour with refrigerated air at - 30°C. Taking the average specific and latent heats of bread to be 2.93 kJ/kg·°C and 109.

What is an example of static friction

A book with a. mass of 1 kg is sliding to the left of a table. If the frictional force on the book is 5 N, calculate the book's acceleration. Is it speeding up or slowing down?