Other Physics Answers

A golf ball travels at 16 m/s while a baseball moves at 7 m/s. The mass of the golf ball is 0.045kg and the mass of the baseball is 0.14kg. Which has a greater momentum?

A truck travelling at 22.5m/ decelerates at 2.27m/s².

How far does it travel during the third second when brakes are applied?

Some people think there is no gravity on the moon. Are they correct? explain why

What is the kinetic energy of a 1,500-kg car traveling at 110 kph if the car can reach this velocity in 12 seconds starting from rest? What is the power output of the engine in HP?

What is the kinetic energy of a 1,500-kg car traveling at 110 kph if the car can reach this velocity in 12 seconds starting from rest? What is the power output of the engine in HP?

A 3000-lb. car has an engine which can deliver 80 hp to the rear wheels. What is the maximum velocity at which the car can climb a 15 degree hill?

A horse exerts a force of 200 lb. while pulling a sled for 3 miles. If the trip takes 30 minutes, what is the power output of the horse in horsepower?

A boy pulls a wagon with a force of 15 lb by means of a rope that makes an angle of 40 degrees with the ground. How much work does the he does in moving the wagon 50 ft?

An fm radio station broadcast at a frequency of 109.8 hz. What is the wavelength of the radio signal?

a car travels 36m/s, accelerates at 2m/s, find its final velocity in 5 seconds if its initial velocity is 10m/s