Levels Tought:
Elementary,Middle School,High School,College,University,PHD
Teaching Since: | Apr 2017 |
Last Sign in: | 233 Weeks Ago |
Questions Answered: | 12843 |
Tutorials Posted: | 12834 |
MBA, Ph.D in Management
Harvard university
Feb-1997 - Aug-2003
Professor
Strayer University
Jan-2007 - Present
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K total energy only
@nomentum and kinetic energy
d. kinetic energy only
[if momentum and velocity 22. In order to have work done upon an object, there must be a(n) __ to cause a(n) _.
a. impulse imparted to the object, acceleration
b. impulse imparted to the object, velocity change
c. force acting upon the object, displacement
d. force acting upon the object, acceleration
@ force acting upon the object, velocity change 23. A baseball player catches a 0.165 kg baseball which is moving honzontally at a speed of 40.0 m/s. Determine the force
(magnitude only) which she must apply to the baseball if her mitt recoils a horizontal distance of 0.250 m. a. 13.2 N
b. 528 N
c. 535 N
d. 1056 N 24. A soccer ball moving at 4.00 m/s goes off a 3.00 m high cliff into a stream below. How fast is the ball moving when it strikes the water below?
a 6.74 m/s
b. 8.65 m/s . 62.8 m/s
impossible to determine without knowing the mass. e. impossible to determine without knowing the angle of impact.
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