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Compute each part of given problem:
Problem: A diver springs vertically upwards from a 4.5-m board with an initial speed of 4.2 m/s.
Part A: What is the maximum height that she reaches above the water?
Part B: What is her acceleration when she is at this maximum height?
Please show complete calculation thank you!
Two particles with charges -3e and +4e are initially very far apart (effectively an infinite distance apart). find which is the change in the electric potential energy
A device for training astronauts and jet fighter pilots is designed to rotate a trainee in a horizontal circle of radius 12.0. how fast is she rotating
11.0 of aluminum at and 22.0 of copper are dropped into 49.0 of ethyl alcohol at . The temperature quickly comes to 25.0. What was the initial temperature of the copper
A total electric charge of 6.00 nC is distributed uniformly over the surface of a metal sphere with a radius of 20.0 cm. Find the magnitude of the electric field at 40.0 cm from the center of the sphere
In a double-slit experiment, two parallel slits are illuminatedfirst by light of wavelength 464 nm, and then bylight of unknown wavelength. What is the unknown wavelength
On a cello, the string with the largest linear density (1.56 *10-2 kg/m) is the C string. What is the wavelength of the wave on the string
a point charge q10-9 coulombs is placed at the centre of a dielectric sphere of radius r10cm. the relative permittivity
A 1500 Kg car takes 45 minutes to climb from an elevationof 1800 m to 2800m, as the car drives along a mountain road. How much work did the car do against gravity
A 19.5 ?F capacitor is fully charged by connecting it to a 14.0 V battery. Calculate the charge stored on one of the capacitor plates
Monochromatic light is incident on a metal surface. The ejected electrons give rise to a current in a circuit. how will the required stopping potential change
A hollow sphere of inner radius 6.2 cm and outer radius 7.2 cm floats half-submerged in a liquid of density 775 kg/m3. What is the mass of the sphere
A flywheel with a very low friction bearing takes 1.6 h to stop after the motor power is turned off. The flywheel was originally rotating at 41 rpm. What was the initial rotation rate in radians per second
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