Multiple Choice
A 50-N force is the only force on a 2-kg crate that starts from rest.At the instant the crate has gone 2 m the rate at which the force is doing work is:
A) 2.5 W
B) 25 W
C) 75 W
D) 100 W
E) 500 W
Correct Answer:
Verified
Correct Answer:
Verified
Q58: Power has the dimensions of:<br>A)ML<sup>2</sup>/T<sup>2</sup><br>B)MT/L<sup>2</sup><br>C)ML/T<sup>2</sup><br>D)ML<sup>2</sup>/T<sup>3</sup><br>E)none of these
Q59: A force <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6585/.jpg" alt="A force
Q60: A block is attached to the end
Q61: In raising an object to a given
Q62: The plot shows the force on an
Q64: A 1-kg block is lifted vertically 1
Q65: A 0.50-kg object moves on a horizontal
Q66: An ideal spring is hung vertically from
Q67: Two trailers, X with mass 500 kg
Q68: A watt per hour is a unit