Suppose an empty grocery cart rolls downhill in a parking lot. The cart has a maximum speed of 1.3 m/s when it hits the side of the store and comes to rest 0.30 s later. If an unbalanced force of -65 N stops the cart, what is the mass of the grocery cart?
A.15 kg
B.15.0 kg
C.50 kg
D.50.0 kg
E. none of the above
Answers: 2
Physics, 22.06.2019 12:20
The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.
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Physics, 22.06.2019 14:40
The experiment done in lab is repeated, using a ball that has unknown mass m. you plot your data in the form of f 2 versus m/l, with f in rev/s, m in kg, and l in m. your data falls close to a straight line that has slope 3.19 m/(kg Β· s2). use g = 9.80 m/s2 and calculate the mass m of the ball.
Answers: 1
Physics, 22.06.2019 15:30
Identify the correct relation showing that the radius r of the orbit of a moon of a given planet can be determined from the radius r of the planet, the acceleration of gravity at the surface of the planet, and the time Ο required by the moon to complete one full revolution about the planet. determine the acceleration of gravity at the surface of the planet jupiter knowing that r = 71 492 km and that t= 3.551 days and r= 670.9 Γ 10^3 km for its moon europa.
Answers: 2
Physics, 22.06.2019 20:00
What is the name of the perceived change in a sound waveβs frequency due to motion between the observer and the sound source?
Answers: 1
Suppose an empty grocery cart rolls downhill in a parking lot. The cart has a maximum speed of 1.3 m...
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