Projectile Motion: A projectile is fired from ground level on a horizontal plain. If the initial speed of the projectile is now doubled, and we neglect air resistance,
A. its range will be increased by .
B. its range will double.
C. its range will be decreased by a factor of two.
D. its range will quadruple.
E. its range will decrease by a factor of four.
Answer: D
You might also like to view...
The elapsed time between two successive crossings of the same meridian by a star other than the Sun is known as
a. the tropical year. b. one sidereal day. c. the sidereal year. d. none of these.
A barge with vertical sides is 10 m wide and 60 m long and is floating in fresh water of density 1000 kg/m3. How much deeper into the water does the barge sink when 3.0 x 105 kg of coal are loaded on the barge?
A) 25 cm B) 50 cm C) 75 cm D) 1.0 m E) 1.5 m
If a lamp has resistance of 120 W when it operates at 200 W, what is the applied voltage?
a. 120 V c. 110 V b. 220 V d. 155 V
A body is oscillating up and down at the end of a spring. Let's consider when the body is at the top of its up and down motion The displacement vector from the equilibrium position points up
Indicate whether the statement is true or false