A 24 kg child sits on a 2.2-mm-long rope swing. You are going to give the child a small, brief push at regular intervals.     Part A If you want to increase the amplitude of her motion as quickly as possible, how much time should you wait between pushes?

A 0.454-kg block is attached to a horizontal spring that is at its equilibrium length, and whose force constant is 24.0 N/m. The block rests on a frictionless surface. A 5.20×10-2-kg wad of putty is thrown horizontally at the block, hitting it with a speed of 8.96 m/s and sticking. Part A How far does the putty-block system compress the spring? xmax Templates Symbols undo redo reset keyboard shortcuts help cm

A simple pendulum of length 2.3 m makes 4.0 complete swings in 37.0 s. Part A What is the acceleration of gravity at the location of the pendulum? Express your answer using two significant figures. Π| ΑΣΦ g= Submit Provide Feedback Request Answer ? m/s²

Part A After landing on an unfamiliar planet, a space explorer constructs a simple pendulum of length 55.0 cm. The explorer finds that the pendulum completes 96.0 full swing cycles in a time of 129 s What is the magnitude of the gravitational acceleration on this planet? Express your answer in meters per second per second. > View Available Hint(s) Tempiates Symbols undo rego Tését keyboard shortcuts Help 9planet m/s? Submit Prevlous Anawere

We want to support a thin hoop by a horizontal nail and have the hoop make one complete small-angle oscillation each 2.0 s. Part A What must the hoop's radius be? Express your answer with the appropriate units. ? R = Value Units

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X Incorrect The 14.9-in.spring is compressed to a 7.6-in. length, where it is released from rest and accelerates the sliding block A. The acceleration has an initial value of 440 ft/sec² and then decreases linearly with the x-movement of the block, reaching zero when the spring regains its original 14.9-in. length. Calculate the time t for the block to go (a) 3.65 in. and (b) 7.3 in. -7.6 14.9 Answers: To go 3.65 in., t= i To go 7.3 in., t= 0.017 0.012 sec sec

A pendulum makes 21 oscillations in exactly 50 ss.     Part A What is its period?   B What is its frequency?

A small block is attached to an ideal spring and is moving in SHM on a horizontal, frictionless surface. When the amplitude of the motion is 0.090 m, it takes the block 2.81 s to travel from z=0.090 m to z=-0.090 m. Part A If the amplitude is doubled, to 0.180, how long does it take the block to travel from z=0.180 m to z=-0.180 m? Express your answer with the appropriate units. Value Units t = Submit Request Answer • Part B If the amplitude is doubled, to 0.180 m, how long does it take the block to travel from z=0.090 m to r=-0.090 m? Express your answer with the appropriate units. HA Value Units Submit Request Answer Provide Feedback