63 Answered Questions for the topic Motion

01/06/16

A boat starts straight across a river at 35 km/hr. The current pushes the boat downstream at 3.50 km/hr. What is the resultant velocity of the boat?
Test tomorrow and I'm not sure on how to work out the equations, especially velocity. Any help would be appreciated. Thanks!
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01/05/16

Why is the force that accelerates an object never equal to the force applied to an object?
im really really lost in Physics right now, and i have a test tomorrow! Id really appreciate the help. Thanks!
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Motion

11/16/15

Suppose a rat traveled 77 meters in 4.0 seconds. What was his speed?
 I'm really confused about this problem.
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10/19/15

Physics Help
Samantha fires a rubber band from a balcony 20m high at an angle of 30° above the horizontal. It strikes the ground 10.4s later.   a) Find the initial speed   b) Find the magnitude and... more
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07/02/15

How long will it take for this hanging mass to return to the zero angle?
Hello, I'm taking a summer course in college physics and am reviewing some practice questions to prepare for my oncoming exam. I'd really appreciate some help on this question that I'm not sure... more
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Motion

07/01/15

How long will the passenger train take to catch up with the freight train?
Two trains are traveling on parallel tracks. One is a freight train and the other is a passenger train. The freight train travels at 25mph. If the freight train is 280 miles ahead of the passenger... more
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02/28/15

Linear System Motion Problem
Shawn is training for a triathlon. He starts his workout by riding his nike for 1 hour and then runs for 1.5 hours. Shawn rides his bike 10 miles per hour faster than he runs. If he travelled a... more
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11/01/14

Analyzing the Motion of a Projectile
A projectile is fired from a cliff 941 feet above the water at inclination of 45 degrees to the horizontal, with a velocity of 610 feet per second. The h of the projectile can be modeled by h(x) =... more
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10/07/14

Force and Motion
How does mass affect distance over time?
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09/30/14

Uniform Motion Question
A motorboat can maintain a constant speed of 16 mph relative to the water. The boat makes a trip upstream to a certain point in 20 minutes; the return trip takes 15 minutes. What is the speed of... more
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09/07/14

someone help me, please?
A byciclist traveling at 18mph overtakes an inline skater who is traveling at 10 mph and had a 0.5 hour head start. How far from the starting point doesthe bicyclist overtake the inline skater?
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09/07/14

can you help me, please?
katrina starts down an excercise path and walks at a rate of 4mph. At 9:30 am, Carla leaves from the same place and starts chasing Katrina, catching her at 10:00 am. Find Carla's jogging rate.
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Motion

11/01/13

examples of vectors going in the same direction
what are examples of motion
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