Steven carefully places a m = 1.55 kg wooden block on a frictionless ramp so that the block begins to slide down the ramp from rest. The ramp makes an angle of 0 = 52.3° up from the horizontal. Which forces do nonzero work on the block as it slides down the ramp? friction normal O spring O gravity How much total work has been done on the block after it slides down along the ramp a distance of 1.93 m? total work done on the block: J Nancy measures the speed of the wooden block after it has gone the 1.93 m down the ramp. Predict what speed she should measure. final speed after sliding from rest: m/s Now, Steven again places the wooden block back at the top of the ramp, but this time he jokingly gives the block a big push before it slides down the ramp. If the block's initial speed is 2.00 m/s and the block again slides down the ramp 1.93 m, what should Nancy measure for the speed of the block this time? final speed after sliding with initial speed 2.00 m/s: m/s

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Chapter1: Units, Trigonometry. And Vectors
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Steven carefully places a m = 1.55 kg wooden block on a frictionless ramp so that the block begins to slide down the ramp
from rest. The ramp makes an angle of 0 = 52.3° up from the horizontal.
Which forces do nonzero work on the block as it slides down the ramp?
friction
normal
O spring
O gravity
How much total work has been done on the block after it slides down along the ramp a distance of 1.93 m?
total work done on the block:
J
Nancy measures the speed of the wooden block after it has gone the 1.93 m down the ramp. Predict what speed she
should measure.
final speed after sliding from rest:
m/s
Now, Steven again places the wooden block back at the top of the ramp, but this time he jokingly gives the block a big push
before it slides down the ramp. If the block's initial speed is 2.00 m/s and the block again slides down the ramp 1.93 m,
what should Nancy measure for the speed of the block this time?
final speed after sliding with initial speed 2.00 m/s:
m/s
Transcribed Image Text:Steven carefully places a m = 1.55 kg wooden block on a frictionless ramp so that the block begins to slide down the ramp from rest. The ramp makes an angle of 0 = 52.3° up from the horizontal. Which forces do nonzero work on the block as it slides down the ramp? friction normal O spring O gravity How much total work has been done on the block after it slides down along the ramp a distance of 1.93 m? total work done on the block: J Nancy measures the speed of the wooden block after it has gone the 1.93 m down the ramp. Predict what speed she should measure. final speed after sliding from rest: m/s Now, Steven again places the wooden block back at the top of the ramp, but this time he jokingly gives the block a big push before it slides down the ramp. If the block's initial speed is 2.00 m/s and the block again slides down the ramp 1.93 m, what should Nancy measure for the speed of the block this time? final speed after sliding with initial speed 2.00 m/s: m/s
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