What is the wavelength of an ultrasound signal having a velocity of 1,500 m/sec. at 2.5 MHz?

There is a skier at the top of a ski slope. The skier has potential energy. What gives the skier his potential energy

The fast server in women's tennis is Venus Williams, who recorded a serve of 130 mi / h (209 km / h) in 2007. If her racket pushed on the ball for a distance of 0.15 m, what was the average acceleration of the ball during her serve?

In the game of space billiards with Albert at rest, Henry's space ball changes vertical velocity less than Albert's. Albert believes in the conservation of momentum, so he believes for momentum to be conserved, A. the collision must be elastic B.

A insect is resting on the rim of a rotating table topper the topper is stopped after covering 125° and 1.3s later. What was the insect angular velocity in rad/s. answer choices: A. 0.7384 B. 1.6782 C. 2.1866 D. 464.73

Is it possible for a stationary object to have a single force acting not it? If your answer is yes, provide and example. If your answer is no, explain why not.

A solid weighs 277.5 g in air and 212.5 g when totally immersed in the liquid of density 0.9 g / cc. Calculate the density of the solid.

Who first described the double-helix structure of DNA?

Suppose you are holding a basketball while standing still on a skateboard you are and the skateboard have a mass of 50 kg you throw the basketball with a force of 10 N what is your acceleration before and after you throw the ball

Which nitrogen base sequence is the partner of C-A-T-C-G-A? O C-A-T-C-G-A O G-T-A-G-C-T OT-G-C-T-A-G O G-C-A-T-G-T TI

What is the kind of energy that comes from movement?