A particle is moving with a constant acceleration of 4.0 m/s2 . Its speed at t = 1.0 s is 4.0 m/s and at t = 3.0 s it is 12.0 m/s. What is the area under the position-time graph for the interval from t = 1.0 s to t = 3.0 s?
a. 8.0 m/s
b. 8.0 m
c. 12 m
d. 16 m
e. 16 m/s2
d
You might also like to view...
The conditions required for a lunar eclipse are
A) (1) the phase of the Moon must be new; (2) the nodes of the Moon's orbit must be nearly aligned with Earth and the Sun. B) (1) the phase of the Moon must be full; (2) the nodes of the Moon's orbit must be nearly aligned with Earth and the Sun. C) (1) the phase of the Moon can be either new or full; (2) the nodes of the Moon's orbit must be nearly aligned with Earth and the Sun. D) (1) the phase of the Moon must be new; (2) the Moon must be located at the nearest point in its orbit around Earth. E) (1) the phase of the Moon must be full; (2) the Moon must be located at the nearest point in its orbit around Earth.
What would be the deBroglie wavelength for 1 gram moving at "escape speed" 25,000. mph?
What will be an ideal response?
The pressure inside a commercial airliner is maintained at 1.00 atm (105 Pa). What is the net outward force exerted on a 1.0 m × 2.0 m cabin door if the outside pressure is 0.40 atm?
a. 120,000 N c. 1200 N b. 12,000 N d. 120 N
A 500-Hz whistle is moved toward a listener at a speed of 10.0 m/s. At the same time, the listener moves at a speed of 20.0 m/s in a direction toward the whistle. What is the apparent frequency heard by the listener? (The speed of sound is 340 m/s.)
a. 473 Hz c. 533 Hz b. 485 Hz d. 545 Hz