Young Hector launches a 200 gram block uphill on a frictionless ramp which is tilted at 30 degrees with the horizontal, as shown in the Figure. At the instant of its launch, the block is moving uphill at 4.00 m/s. Hector observes as the block travels a distance of 50.0 cm uphill on the ramp. In the following, consider the period of time during which the block moves uphill through the 50.0 cm distance shown in the Figure. For simplicity, assume that g = 9.80 m/

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Young Hector launches a 200 gram block uphill on a frictionless ramp which is tilted at 30 degrees with the horizontal, as shown
in the Figure. At the instant of its launch, the block is moving uphill at 4.00 m/s. Hector observes as the block travels a distance
of 50.0 cm uphill on the ramp. In the following, consider the period of time during which the block moves uphill through the 50.0
cm distance shown in the Figure. For simplicity, assume that g = 9.80 m/2.
d (50.0 cm)
4.00 m/s
h
30°
Transcribed Image Text:Young Hector launches a 200 gram block uphill on a frictionless ramp which is tilted at 30 degrees with the horizontal, as shown in the Figure. At the instant of its launch, the block is moving uphill at 4.00 m/s. Hector observes as the block travels a distance of 50.0 cm uphill on the ramp. In the following, consider the period of time during which the block moves uphill through the 50.0 cm distance shown in the Figure. For simplicity, assume that g = 9.80 m/2. d (50.0 cm) 4.00 m/s h 30°
16. Find the work done on the block by the normal force.
A. - 0.490 J.
B. 1.60 J.
C. zero .
D. 0.490 J.
E. - 1.60 J.
17. Find the work done on the block by gravity, as the block slides 50.0 cm uphill on the ramp.
A. 0.490 J.
B. 0.980 J.
C. zero.
D. - 0.490 J.
E. - 0.980 J.
18. Find the change in the kinetic energy of the block during the time it takes to travel the distance "d" marked in the Figure
above.
A. - 1.60 J.
B. - 0.490 J.
C. zero.
D. 0.490 J.
E. - 1.11 J.
Transcribed Image Text:16. Find the work done on the block by the normal force. A. - 0.490 J. B. 1.60 J. C. zero . D. 0.490 J. E. - 1.60 J. 17. Find the work done on the block by gravity, as the block slides 50.0 cm uphill on the ramp. A. 0.490 J. B. 0.980 J. C. zero. D. - 0.490 J. E. - 0.980 J. 18. Find the change in the kinetic energy of the block during the time it takes to travel the distance "d" marked in the Figure above. A. - 1.60 J. B. - 0.490 J. C. zero. D. 0.490 J. E. - 1.11 J.
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