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Questions (14)
A spaceship travels 1220 km with a constant uniform acceleration. How much time is required for the acceleration if the
1 answer
1,006 views
Suppose a hovercraft undergoes constant uniform acceleration, which causes the hovercraft to move from rest to a speed of 30.8
0 answers
510 views
A pilot begins a race at a speed of 755.0 km/h and accelerates at a constant uniform rate for 63.21 s. The pilot cross the
0 answers
444 views
A speedboat uniformly increases its velocity from 25 m/s to the west to 35 m/s to the west. How long does it take the boat to
1 answer
1,318 views
A golf ball at a mini golf course travels 4.2 m along a carpeted green. When the ball reaches the hole 3.0 s later, its speed is
2 answers
1,555 views
A tracks extends a distance of 478 km without a curve. Supposed a train with an initial speed of 72 km/h travels along the
0 answers
625 views
A child sleds down a snow covered hill with a uniform acceleration. The slope of the hill is 38.5 m long. If the child starts at
1 answer
1,822 views
suppose a polar bear running with an initial speed of 4.0 m/s accelerates uniformly for 18s. what is the bear's maximum speed if
1 answer
2,440 views
a handball is hit toward a wall with a velocity of 13.7 m/s in the forward direction. it returns with a velocity of 11.5 m/s in
2 answers
1,518 views
the solid fuel rocket boosters used to launch the space shuttle are able to lift the shuttle 45 kilometers above earths surface.
2 answers
1,201 views
If a tern travels 3.20 x 10^4 km south in 122 days, what is its average velocity in kilometers per day?
1 answer
569 views
If a tern travels 3.20 x 10^4 km south in 122 days, what is its average velocity in kilometers per day?
0 answers
393 views
The fastest helicopter, the Westland Lynx, can travel 3.33 km in the forward direction in just 30.0 sec. What is the average
1 answer
2,432 views
One of the more unusual of world wonders is the plain of jars in laos. Several hundred huge stone jars, which do not seem to
4 answers
2,098 views
