A 273.4 kg boulder is pulled with a rope across a field by a strong man. If the man uses a force of 2,424.2 N to cause the boulder to accelerate across the field, The
coefficient of friction is 0.36. How fast does the strong man accelerate the boulder?

Jason is a body builder. despite being more fit, he weighs more than his brother ryan, who is the same height. which is a possible reason? a. jason has more muscle mass than ryan does. b. jason has more body fat than ryan does. c. jason has more muscle mass and body fat than ryan does d. jason has less body fat than ryan does.

Write the equation for momentum, first using symbols for the variables, then using words for the variables.

Abeam of electrons with of wavelength of 7.5 x 10-6 m is incident on a pair of narrow rectangular slits separated by 0.75 mm. the resulting interference pattern is projected onto a screen 10.0 m from the slits. what is the separation of the interference maxima in the resulting interference pattern?