A box is lifted at a constant speed of 7.0 m/s by a machine. If the power of the machine is 21000 W, then the force applied is equal.

A solid sphere, solid cylinder, and a hollow pipe all have equal masses and radii and are of uniform density. If the three are released simultaneously at the top of an inclined plane and roll without slipping, which one will reach the bottom first?

The word " waxing " can replace the first word of which phrase? a) cooling temperature b) dwindling salaries c) increasing support d) running out of time

Equation for velocity

If these gas molecules were compressed further, how would the average kinetic energy of the molecules be affected? A. It would increase. B. It would decrease. C. It would change constantly. D. It would remain exactly the same

Arrange the following according to their wavelength, starting with the shortest and going to the longest: radio waves, x--rays, gamma rays, visible light, microwaves, infrared light, ultraviolet light.

What will happen to an astronaut when the jets produce these four forces

What does it mean when the mark on the ramrod disappears into the barrel of the muzzleloader?

Explain the relationship between speed, velocity and acceleration

What are the characteristics of prokaryotes? A.) A prokaryote lacks a well-defined nucleus. B.) A prokaryote cannot perform basic life functions. C.) A prokaryote lacks cell organelles. D.) A prokaryote is larger than a eukaryote.

In a perfectly inelastic collision, the total momentum of the system ___ (i) ___ constant, while the total kinetic energy of the system___ (ii) ___constant.