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You've been sent to a new planet. In order to determine the planet's free-fall acceleration, you throw a ball upwards with a speed of 16.0 m/s and discover that some time later the ball is moving downwards at 5.0 m/s when it is located 33.0 m above the release point.
(A) Find the acceleration on this planet. Give the answer as a magnitude and a direction (up or down).
(B) Find the maximum height that the ball reaches.
(C) At what time is the ball at its maximum height?
A skydiver with his parachute has a combined mass of 79 kg and an approximate frontal area of 0.71 m^2. Calculate the terminal velocity of this skydiver in a horizontal position
What must be the mass m2 of the hanging block if it is to descend 11.0m in the first 3.00s after the system is released from rest
Violet light and red light travel through air and strike a block of plastic at the same angle of incidence. find the index of refraction for violet light in plastic
An ac generator with a frequency of 1.44 kilohertz and an rms voltage of 24.2 volts is connected in series with a 1.90 kilo-ohms resistor and a 330 mega hertz inductor. What is the average power consumed by this circuit
As a function of time t, force component Fx that acts on a 3.00 kg ice block that can move only along the x axis. At t=0, the block is moving in positive direction of the axis, with a speed of 3.0 m/s. what are its (a) speed and (b) direction of trav..
A sprinter explodes out of the starting block with an acceleration of +4.4 m/s2, which she sustains for 1.2 s. What is her velocity at the end of the race
Two bowling balls, each of mass 5kg, are located so that their centers of mass are 0.5m apart. What is the size of the force of universal gravitation
Kenny pulls with a force of 850 N. Justin pushes with a force of 650 N. The crate weighs 1250 N and sits on a ramp that is 40 degrees from the horizontal. Tyler is pushing at an angle of 35 degrees with respect to the crate
A simple harmonic oscillator is described mathematically by x=0.25 sin(4.2pt +0.54px), What are the amplitude, speed and period of the wave
Three charges are to be placed as follows: q1: 10.00 µC at (0.00,0.00) q2: -25.00 µC at (4.00,0.00) and q3: -2.00 µC at (0.00,-3.00), Calculate the electric potential energy of the group of three charges
A 220 g bird flying along at 6.69 m/s sees a 8.2 g insect heading straight toward it with a speed of 22.66 m/s. What is the bird's speed immediately after swallowing
A 0.5 kg mass attached to a linear spring, with spring constant 5 N/m and damping constant 0.2 kg/s, What is the natural frequency of oscillation
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