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An electron traveling at 86 m/s enters a 9.8 T magnetic field. The angle between the velocity and the field is 49o. Find the radius of the resulting circular path.
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Question: The passengers in a roller coaster car feel 50% heavier than their true weight as the car goes through a dip with a 30.0 m radius of curvature. What is the car's speed at the bottom of the dip? The response mus ...
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John is traveling north at 20 meters/second and his friend Betty is traveling south at 20 meters/second. If north is the positive direction, what are John and Betty's speeds?
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Question: Tim and Rick both can run at speed v_r and walk at speed v_w, with v_r > v_w They set off together on a journey of distance D. Rick walks half of the distance and runs the other half. Tim walks half of the time ...
Question: You're driving down the highway late one night at 20m/s when a deer steps onto the road 35m in front of you. Your reaction time before stepping on the brakes is 0.50s, and the maximum deceleration of your car i ...
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