Object a has a mass of 20 g

Wave D has an amplitude of 2 cm, and wave E has an amplitude of 2 cm. The waves are out of phase. Determine the amplitude of resulting wave F

How can an object have no speed but still be accelerating

1. A 59 kg person is in a vehicle travelling at 41 m/s. The vehicle runs into a telephone pole. At impact, it takes the vehicle 192 milliseconds to come to a stop. a. What is the average force exerted on the person? b.

The "Compton effect" showed A. that light undergoes interference B. how an experiment can mislead C. the wave nature of light D. the particle nature of light

In the rainy season, the Amazon flows fast and runs deep. In one location, the river is 22 m deep and moves at a speed of 4.4 m/s toward the east. The earth's 50 μT magnetic field is parallel to the ground and directed northward.

Two lab carts are pushed together with a spring mechanism compressed between them. Upon release, the 5.0 kg cart repels one way with a velocity of 0.12 m/s. The 2.0 kg cart goes the other way. At what velocity does it travel?

A bowling ball has a mass of 7.2 kg and a weight of 70.6 N. It moves down the bowling alley at 1 m/s and strikes a pin with a force of 15.0 N. What is the force that the pin exerts on the bowling ball?

an electric clothes dryer has a resictance of 16 Ohms it drawes 15 A of current what is the voltage in volts of the wall outlet that it is pluged into

A lorry with a mass of 5000kg accelerates to overtake a caravan on the motorway. Its acceleration is 1.5m/s². What force must the engine be providing? You can ignore the effects of friction and air resistance

Norma kicks a soccer ball with an initial velocity of 10.0 meters per second at an angle of 30.0% if the ball moves though the air for 3.2 seconds what's the horizontal distance traveled by the ball