What was the vertical component of jill''s velocity
Jack and Jill ran up the hill at 3.4 m/s . The horizontal component of Jill's velocity vector was 2.3 m/s.
Part A:What was the angle of the hill?
Part B:What was the vertical component of Jill's velocity?
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An air-track glider is attached to a spring. The glider is pulled to the right and released from rest at. It then oscillates with a period of 1.5 and a maximum speed of 32. What is the amplitude of the oscillation?
A centrifuge in a medical laboratory rotates at an angular speed of 3,900 rpm. When switched off, it rotates 65 times before coming to rest. Find the constant angular acceleration of the centrifuge.
He sees the truck's headlights, and hears a 500 Hz horn. How rapidly is the truck approaching him, in m/s2? In mph?
Identify threats to the information security of a small internet commerce company with ten employees. This company uses an outside vendor for its order fulfillment.
A spring whose stiffness is 1140 N/m has a relaxed length of 0.42 m. If the length of the spring changes from 0.27 m to 0.83 m, what is the change in the potential energy of the spring?
(a) What is the acceleration of the three objects? (b) Find the tension in the string attached to the 25.0 kg object. (c) Find the tension in the string attached to the 10.0 kg object.
Use a one-dimensional array to solve the following problem:
In early nineteenth-century America... the rise in political status of ordinary white men was accompanied by a decline in the political rights of women and free blacks. most newly organized free states granted the right to vote to adult black men
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