Consider a situation where a constant force of 25 N acts on an object having a mass of 2 kg for 3 seconds.What is the impulse provided by the force?
a. 150 N-s
b. 50 N-s
c. 75 N-s
d. undetermined—not enough information given
e. none of the above
c
You might also like to view...
Wiley Coyote has missed the elusive Road Runner once again. This time, he leaves the edge of the cliff at 40.0 m/s horizontal velocity. If the canyon is 100 m deep, how far from his starting point on the edge of the cliff does the coyote land?
a. 207 m c. 339 m b. 247 m d. 400 m
Why is the surface of Mercury more level (flatter) than the surface of the Moon?
A. Heat from the Sun made Mercury's surface softer and more malleable. B. The Moon formed out of the debris from a collision of two larger bodies. C. Mercury has stronger gravity and had a hotter interior. D. Tidal forces from Earth have pulled the Moon out of shape.
On a cold day, a heat pump absorbs heat from the outside air at 14°F (?10°C) and transfers it into a home at a temperature of 86°F (30°C). Determine the maximum COP of the heat pump
a. 0.2 b. 4.4 c. 0.5 d. 7.6 e. 6.7
Suppose an object is moving in a straight line at 50 miles/hr. According to Newton's first law of motion, the object will
A) continue to move in the same way forever, no matter what happens. B) continue to move in the same way until it is acted upon by a force. C) eventually slow down and come to a stop. D) continue to move in a straight line forever if it is in space, but slow and stop otherwise. E) continually slow down but never quite come to a complete stop.