A 2.0-kg mass moving at 5.0 m/s suddenly collides head-on with a 3.0-kg mass at rest. If the collision is perfectly inelastic, what is the speed of the masses just after the collision?

A weightlifter lifts a 1250N barbell 2m in 3s. How much power was used to lift the barbell

How do fission nuclear reactions differ from fusion nuclear reactions? Fission reactions involve the conversion of matter into energy, but fusion reactions do not.

Jane walked 5.00 meters on a road that inclines 13.0 degrees. How much distance did she cover horizontally?

What is the approximate wavelength of visible light? answers?

How does electric circuit wor

A powerful motorcycle can produce an acceleration of 3.50 m/s2 while traveling at 90.0 km/h. at that speed the forces resisting motion, including friction and air resistance, total 400 n. (air resistance is analogous to air friction.

Thermal imaging cameras use what kind of electromagnetic energy

What was the original mission of the voyager space probes? A. to land on venus. B. to study comets and asteroids. C. to explore Jupiter and Saturn

If you weigh 660 n on the earth, what would be your weight on the surface of a neutron star that has the same mass as our sun and a diameter of 19.0 km? take the mass of the sun to be ms = 1.99*1030 kg, the gravitational constant to be g = 6.

A 4kg mass traveling eastwards at 4m. s per second collides with a 3kg mass traveling westward as 8m. s per second ... calculate the total momentum of mass before they colide