Multiple Choice
A mass of 47 kg is moving horizontally as a force of 190 N, directed at 25° below the horizontal, is exerted on it.When its speed is 7.3 m/s, what is the rate at which the force is doing work?
A) 0 W
B) 340 W
C) 590 W
D) 1300 W
E) 1400 W
Correct Answer:

Verified
Correct Answer:
Verified
Q50: A person holds an 80-N weight 2
Q51: One watt is:<br>A)1 kg* m/s<sup>3</sup><br>B)1 kg *m<sup>2</sup>/s<br>C)1
Q52: When a certain rubber band is stretched
Q53: Which of the following five quantities is
Q54: A particle moves 5 m in the
Q56: An ideal spring, with a pointer attached
Q57: An escalator is used to move 20
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