A parachute on a racing dragster opens and changes the speed of the car from 85 m/sec to 45 m/sec in a period of 4.5 seconds. What is the acceleration of the dragster?

A 1550 kg car located at m has a momentum of kg·m/s. What is its location 10 s later? (Express your answer in vector form.)

Describe a person swinging a bat? A. Wedge B. Third class lever C. Pulley D. Screw

A car goes around in a circular curve on a horizontal road at constant speed. what is the direction of the friction force on the car due to the road?

Which of these describes a gas? a. fills volume of the container b. holds it shape c. has high density d. has strong molecular forces

a bike is moving with a velocity of 90km/hr. after applying break it stops in 5 sec. calculate the force applied by brakes. mass of motercycle and rides is 200 kg

A 98.1 kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.69 rad/s. A monkey drops a 9.29 kg bunch of bananas vertically onto the platform.

7. A type of non-renewable energy would be: O wind O petroleum O water solar

A refrigerator is a system. The energy input into the refrigerator system (in the form of electricity) is the same as the amount of energy output from the system. Which of the following best describes the energy output of the system?

A 1,120 kg car is travelling with a speed of 40 m/s. Find its energy.

3. Calculate the amount of current through a 45-watt light bulb that is connected to a 120-volt circuit in your home.