What is the mass
A weightlifter raises a weight with an acceleration of 2 m/s2. If the net force exerted on the weight is 316 N, what is its mass?
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An object with mass 3.0 kg is attached to a spring with spring stiffness constant and is executing simple harmonic motion. When the object is 0.020 m from its equilibrium position, it is moving with a speed of .55. What is the maximum velocity?
A charge of 5.42 μC is at the origin and a second charge of -2.54 μC is on the positive x-axis 1.00 m from the origin. Find the magnitude of the electric field at a point P on the y-axis 0.589 m from the origin. The value of the Coulomb cons
A cannonball shot with an initial velocity of 140 m/s at an angle of 60° follows a parabolic path and hits a balloon at the top of its trajectory. Neglecting air resistance, how fast is the cannonball going when it hits the balloon?
A capacitor has a charge of 36 μC. The potential difference between the conductors is 400 V. What is the capacitance? Answer in units of nF. Please show all work on how to solve this problem to get to the answer so I can see the cancelations an
Leroy, who has a mass of 120 kg, is skateboarding at 9.0 m/s when he smacks into a brick wall and comes to a dead stop in 0.2 s. (a) What is the deceleration?
What is the magnitude and direction of the car's acceleration as it slows down?
The length of a string is 300 cm. It is held ?xed at each end. The string vibrates in two sections; i.e., the string has two antinodes, and the string vibrates at 140 Hz. Find the wavelength.
To determine freefall acceleration on a moon with no atmosphere, you drop your handkerchief off the roof of a baseball stadium there. The roof is 113 meters tall. The handkerchief reaches the ground in 18.2 seconds. What is freefall acceleration o
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