A wave has a frequency of 2.0 Hz. if its traveling at a velocity of 20 m/s what it is the wavelength of the wave

A. 10m

B. 40m

C. 100m

D 0.10m

Roger and natalie travel in similar cars. roger's car drives the two miles to school in 7.5 minutes. natalie drives the same distance in the opposite direction but in only 6.5 minutes. what is true of their velocities?

A cat walks along a plank with mass M = 6.00 kg. The plank is supported by two sawhorses. The center of mass of the plank is a distance d1 = 0.850 m to the left of sawhorse B. When the cat is a distance d2 = 1.

If a person's weight is W on the surface of the earth, calculate what it would be, in terms of W, at the surface of (a) the moon; (b) Mars; (c) Jupiter.

In a scale model solar system that used a grapefruit to represent the Sun, how far away should you put another grapefruit to represent Alpha Centauri, the next nearest star?

A car starts from rest and accelerates uniformly to a speed of 72 km per hour over a distance of 500m. calculate acceleration

A crate of fruit with a mass of 30.5kg and a specific heat capacity of 3800J / (kg? K) slides 7.70m down a ramp inclined at an angle of 36.2degrees below the horizontal. Part A If the crate was at rest at the top of the incline and has a speed of 2.

A golf club is swung and strikes a golf ball with a force of 12.2 N. The golf ball accelerates at 265.2 m/s2 (wow) Determine the mass of the golf ball.

What kind of waves are lasers worked by?

If the forces acting upon an object are balanced, then an object must a) be moving. b) be accelerating. c) be beginning to slow down. d) be moving at a constant velocity.

Calculate the kinetic energy of a 10kg cart traveling at 4 m/s?