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A proton moves through a magnetic field at 29.9% of the speed of light. At a location where the field has a magnitude of 0.00617 T and the proton's velocity makes an angle of 151° with the field, what is the magnitude of the magnetic force acting on the proton?
question1a small asteroid of mass 2.6e9 kg is revealed travelling at a speed of 18kms on a direct heading for starbase
An object weighing 338 N in air is immersed in water after being tied to a string connected to a balance. The scale now reads 302 N. Immersed in oil; object weighs 313 N. Calculate the density of the object.
A child throws a stone horizontally from the top of a 15 m cliff with a speed of 10 m/s. If the stone weighs 2 N, find its kinetic energy and speed
Starting from rest, a 92-kg firefighter slides down a fire pole. How far did he slide down the pole
A violinist is tuning her instrument to concert A (440 Hz). She plays the note while listening to an electronically generated tone of exactly that frequency and hears a beat of frequency 5.00 Hz, what was the frequency of her violin when she heard ..
A softball having a mass of 0.255 kg is pitched at 92.3 km/hr. By the time it reaches the plate, estimate the average force of air resistance during a pitch
A projectile is launched with a momentum of 200 kg • m/s and 1000 J of kinetic energy. What is the mass of the projectile
A barge has vertical sides and a flat bottom of 320 ft^2 area. when partially filled, the barge is immersed in fresh water to a depth of 2 ft. upon removal of the load the barge rises 16.0 in.
the potential difference across a cell membrane is -87.8 mv. if the membranes thickness is 19.0 nm what is the
A softball having a mass of 0.45 kg is pitched horizontally at spring with spring constant 78 N/m. how fast was the softball moving initially
A wire 2.45 m long carries a current of 19.2 A and makes an angle of 48.8° with a uniform magnetic field of magnitude B = 1.18 T. Calculate the magnetic force on the wire
a metal sign for a car dealership is a thin uniform right triangle with base length b and height h. the sign has mass
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