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

Physics & Space Science

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A saturated hydrocarbon contains only ______________ bonds, and its hydrogen content is at a maximum

Fill in the blank(s) with correct word

Physics & Space Science

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

Physics & Space Science

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

Physics & Space Science

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

Physics & Space Science