A model rocket flies upward at constant acceleration, and undergoes a displacement of 15.0 m during its first 0.25 s of travel. What was its speed at the end of the first 0.25 s?
A. 30 m/s
B. 60 m/s
C. 11 m/s
D. 120 m/s
D. 120 m/s
You might also like to view...
Electrostatics is a branch of electricity that focuses on
A) electrical charge. B) electrical force. C) both of these when static. D) none of the above
How can a steam turbine use the heat of vaporization to increase the output of electrical energy it is generating?
The terrestrial planet with the most effective greenhouse effect is ____________________
Fill in the blank(s) with correct word
A hypernova is a violent event caused by _____
a. the merger of two neutron stars b. the collapse of a rapidly rotating massive star c. the fusion of a layer of degenerate helium deposited on the surface of a neutron star d. carbon deflagration in a neutron star e. the crossing of jets from two compact objects