A bicyclist starts down a hill with an initial speed of 2.0 m/s. She moves down the hill with a constant acceleration, arriving at the bottom of the hill with a speed of 8.0 m/s. If the hill is 12 m long, how long did it take the bicyclist to travel down the hill?
2.4 s
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General Questions: In order to get an object moving, you must push harder on it than it pushes back on you.
A. True B. False
Springs: An ideal spring with a force constant (spring constant) of 15 N/m is initially compressed by 3.0 cm from its uncompressed position. How much work is required to compress the spring an additional 4.0 cm?
A. 0.0068 J B. 0.012 J C. 0.024 J D. 0.030 J
A saturated hydrocarbon contains only ______________ bonds, and its hydrogen content is at a maximum
Fill in the blank(s) with correct word
A proton is accelerated from rest through 500 V. It enters a magnetic field of 0.30 T oriented perpendicular to its direction of motion. Determine the radius of the path it follows
A) 1.1 mm B) 1.1 cm C) 11 cm D) 1.1 m E) 11 m