The order in which someone uses either step length or cadence to increase their overall gait velocity changes depending on whether they are walking or running.

A. True.

B. False

A 45.0 kg ice skater stands at rest on the ice. A friend tosses the skater a 5.0 kg ball. The skater and the ball then move backwards across the ice with a speed of 0.5 m/s.

Which of the following is a positive statement? Question 4 options: A) A humidity level of 90 percent is too high. B) Summer evenings are nice when it cools off to around 70 degrees. C) The temperature is 92 degrees today.

Which statement correctly compares sound and light waves

what is the force of friction between an 80kg box and the ground on Earth if the coefficient is 0.2?

Which statement describes the kinetic energy and total mechanical energy of a block as it is pulled at constant speed up an incline? (1) Kinetic energy decreases and total mechanical energy increases.

Whats the core of electromagnet made of?

Ultraviolet light emits a total of 2.5 * 10^-17 J of light at a wavelength of 9.8 * 10^-7 m. How many photons does this correspond to?

3. A ray of light incident on one face of an equilateral glass prism is refracted in such a way that it emerges from the opposite surface at an angle of 900 to the normal. Calculate the i. angle of incidence. ii.

What would happen to the stratosphere if humans were to increase the amount of ozone within it?

The noise floor, also known as additive white Gaussian noise (AWGN), is a continuous noise level that appears over a wide spectrum when viewed in the frequency domain. a. Trueb. False