If a 15 kg box is pushed across an ice rink with 60 N of force, how fast will it be going after 5 s? (Ignore friction)

All BUT one factor will increase the work output of a machine and decrease the amount of thermal energy created and released. That isA) develop new and more efficient fuels. B) add a lubricant, such as oil, to the machine.

Suppose a car runs over a nail while driving at a speed of 54 miles per hour, and the nail is lodged in the tire tread 13 inches from the center of the wheel. what is the angular velocity of the nail in radians per hour?

Why blue light elicits a positive phototropic?

An astronaut on the moon throws a baseball upward. the astronaut is 6ft, 6 in. tall and the initial velocity of the ball is 30 ft per second. the height s of the ball in feet is given by the equation 2.7 30 6.

Describe the flow of energy as an ice cube is placed on a pot for ten minutes

Technician A says balance shafts are used to counteract vibration created in the engine. Technician B says proper balancing of the engine is important for smooth operation. Which technician is correct?

Is it True or Flase that Materials that poor conductors are poor insulators?

A fish tank with insidd dimensions of 124 cm * 94 cm * 224 cm is filled with water, what is the volume?

In the 1920s what did Edmund hubble notice about the galaxies

A rod of mass M = 154 g and length L = 35 cm can rotate about a hinge at its left end and is initially at rest.