An object travels 20 m in 4 a what is its speed

What do work and energy have in common

What is the path of a projectile (in the absence of friction) ? a. a wavy line b. a parabola c. a hyperbola d. Projectiles do not follow a predictable path.

What is the action force and the reaction force you sit down on a chair

Shawn and his bike have a total mass of 47.6 kg. shawn rides his bike 2.1 km in 14.2 min at a constant velocity. the acceleration of gravity is 9.8 m/s 2. what is shawn's kinetic energy? answer in units of j.

An electric heater works by passing a current of 112 amps through a coiled metal wire, causing it to become red hot. If the resistance of the wire is 0.95 ohms, what voltage must be applied to it?

Using the atomic symbol above report how many protons, neutron, and electrons an atom of neon contains.

Which of the following is not shorthand to describe one of the three types of ecological relationships? +/+ -/+ +/0 -/0

Which is a characteristic of an electromagnetic wave?

What does the ozone layer absorb? a. Microwaves c. UV radiation b. X-rays d. Infra-red radiation

An object is undergoing shm with period 0.900 s and amplitude 0.320 m. at t = 0 the object is at x = 0.320 m and is instantaneously at rest. calculate the time it takes the object to go (a) from x = 0.320 m to x = 0.160 m and (b) from x = 0.