Determine the mechanical energy of this object: a 1-kg pendulum has a speed of 2 m/s ar a height of 1 meter.

A. 9.8 J

B. 11.8 J

C. 2 J

D. 7.8 J

Give an everyday example of an action and reaction pair that does produce motion and one that does not.

Why do engineers need to keep the mass of a space craft as low as possible?

Convert the volume 8.06 in. 3 to m3, recalling that1in. = 2.54cmand100cm=1m. Answer in units of m3.

What is 34 degrees farenheit in celsius? What is 34 degrees farenheit in celsius? Follow Report Abuse Are you sure you want to delete this answer? Yes No

Calculate the kinetic energy of 1,400 kg roller coaster car that is moving with a speed of 12 m/s when it reaches the bottom of the hill.

19 Which gas is the most abundant greenhouse gas? A. ozone B. chlorofluorocarbon C. carbon dioxide OD. methane E. water vapor Reset Next

The plates of a parallel-plate capacitor are maintained with a constant voltage by a battery as they are pushed together, without touching. How is the amount of charge on the plates affected during this process? a.

Which of the following creates a longitudinal wave? A. striking a gong B. turning on a flashlight C. shaking a rope up and down D. dropping a stone into a pond

What can you do to reduce the electric uses within your home?

The impulse experienced by a body is equivalent to the body's change in A) velocity B) kinetic energy C) momentum D) force