Order the sounds made by these sources from highest to lowest pitch.

telephone, piano, motorcycle, lawn mower

lawn mower, motorcycle, piano, telephone

motorcycle, telephone, piano, lawn mower

lawn mower, piano, telephone, motorcycle

Julia pushes her sled up a hill. In which direction is the force of friction acting?

Read the scenario below and answer the question that follows. Molly and Mark are new parents. Their daughter Alvina often cries when she is uncomfortable. Each time Alvina cries, her parents give her a stuffed rabbit.

The cause of a fire in a computer is described as an incorrectly wired circuit. Which statement best explains the likely cause of the fire? A) The wiring contained a short circuit, so the reduced resistance caused an increase in current.

A mover has to move a heavy sofa of mass 112 kg to the second floor of the house. He uses a rope to pull the sofa up a ramp from the first to the second floor.

As a wave travels through a medium, it displaces the particle perpendicular to the motion of the wave. We can conclude that this is a a. longitudinal wave because of the direction that the wave travels. b.

A train is slowing down with an average acceleration of - 5.0 m/s2 (negative sign shows deceleration). If its initial velocity is 50. m/s, how far does it travel in 6.0 seconds?

3. Infer A car is travelling down a straight road. The driver presses on accelerator but the car does not ch speed. How is this possible? esses on the oes not change

What is located in the exosphere?

How fast should a 250g mouse run so that it can have the same momentum as a 3ton (1metric ton = 1000kg 1g=0.001kg) can a mouse realistically attain this speed yes or no?

Shannon is playing tennis. She swings her racket to hit the tennis ball and sends the ball flying in the same direction.