A 13.4-g bullet is fired into a 1.60-kg block of wood which is suspended as a ballistic pendulum. The combined mass swings up to a height of 8.50 cm. What was the kinetic energy of the combined mass immediately after the collision?
a. 1.32 J
b. 1.33 J
c. 0.0112 J
d. 1.34 J
e. 0.137 J
d
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Plate tectonics is currently found
A) on all of the terrestrial planets B) only on Venus and the Earth C) only on the Earth, Venus and Mars D) only on the Earth
How tightly the nucleons in a nucleus are bound together is indicated by the nucleus's __________
Fill in the blank(s) with correct word
An airplane is flying at a speed of 200 m/s in level flight at an altitude of 800 m. A package is to be dropped from the airplane to land on a target on the ground
At what horizontal distance away from the target should the package be released so that it lands on the target? A) 2.55 km B) 125 m C) 326 m D) 786 m E) 1.22 km
The magnetic field and the number of turns of a coil of wire are doubled, while its area is reduced by a factor of 2. Assuming that all the other parameters remain the same, what happens to the induced emf in that coil of wire?
A) It is doubled. B) It is reduced by a factor of 2. C) It is quadrupled. D) It is reduced by a factor of 4. E) It stays the same.