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Problem: A Swimmer speed in still water is 1.85m/s. If the boat is traveling north directly across a river whose westward current has a speed of 1.2m/s.
Part A: At what upstream angle must the boat head?
I want help to determine at what upstream angle the boat head.
A centrifuge in a medical laboratory rotates at an angular speed of 3400 rev/min, Find the constant angular acceleration of the centrifuge
A 22-turn circular coil of wire has a diameter of 1.6m. It is placed with its axis along the direction of the Earth's magnetic field of 52T at 63° below the horizontal, and then in 0.23s it is flipped 180°. What is volts the magnitude of the average ..
a coyote on jet skates chases a road runner. the coyotes acceleration is a constant 15 ms. if the coyote is 120 from
A certain freely falling object requires 1.7s to travel the last 37m before it hits the ground. From what height above ground did it fall.
An x-ray beam of a certain wavelength is incident on a crystal, at 31.3° to a certain family of reflecting planes of spacing 41.4 pm. what is the wavelength of the x rays in nanometers
A hollow plastic sphere is held below the surface of a freshwater lake by a cord anchored to the bottom of the lake. find the buoyant force exerted by the water on the sphere
A 2.80-kHz tone is being produced by a speaker with a diameter of0.240 m. The air temperature changes from 0 to27.1 oC. Assuming air to be an ideal gas, find the change in the diffraction angle
Four 1.50 Volt cells are connected in series to a 13 ohms light bulb. If the resulting current is 0.47 Amp, find what is the internal resistance of each cell
a 20 kg mass sits on an inclined plane with friction making an angle of 50 degrees with respect to the horizontal. calculate the frictional force required to keep the mass from sliding down the incline
A rocket which has an exhaust speed of 8 km/s is to have a lift off vertical acceleration of 8 m/s^2 from the NASA launch pad. at what minimum rate must the rocket consume fuel
an 830-kg race car can drive around an unbanked turn at a maximum speed of 58 ms without slipping. the turn has a
What is the total force (magnitude and direction) exerted by these two charges on a third charge q3=+5.00 nC located at y=-0.4000m
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