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A proton travels horizontally with speed 4 x 10^6 m/s in a vertical uniform magnetic field of 1.5 tesla (1.5 x 10^4 gauss). Find the magnitude of proton's accelerations. Explain its path.
Ice at -13.7 °C and steam at 114 °C are brought together at atmospheric pressure in a perfectly insulated container. After thermal equilibrium is reached, the liquid phase at 43.3 °C is present. Ignoring container and equilibrium vapour pressure of t..
The tires of a car make 86 revolutions as the car reduces its speed uniformly from 88.0 km/h to 60.0 km/h. How far does the car go? Find the total distance
To start a mower, a person must pull on a string attached to a pulley with a force of 70N. The pulley is a disc of mass 0.1kg and radius 0.1m. Calculate the angular acceleration of the pulley
A child holds a candy bar 10.0 cm in front of a convex mirror andnotices that the image is only one-half the size of the candy bar. What is the radius of curvature of the mirror?
A charge +Q0 is distributed uniformly througout a non- conductiong sphere of radius R0 the sphere also has a point charge -q0 at its center. a) what is the electric field outside of the sphere at a distance r from the sphere center? b) what is the el..
A potter is shaping a bowl on a potter's wheel rotating at constant angular speed. The friction force between her hands and the clay is 1.5 N total. How large is her torque on the wheel
The tub of a washer goes into its spin cycle, starting from rest and gaining angular speed steadily for 9.00 s, how many revolutions does the tub turn while it is in motion
A rocket has a total mass of 1.12 105 kg and a burnout mass of 1.09 104 kg, including engines, shell and payload. Estimate the speed at burnout if gravity isn't neglected
The focal length of the eyepiece of a certain microscope is 18.0 mm. The focal length of the objective is 7.8 mm. find the overall angular magnification of the microscope
A hydraulic jack is made with a small piston 1.2 cm indiameter that is used to move a large piston 6.1 cm in diameter. how heavy aload can he lift with the jack
A force acts on a block weighing 45N. The block is initially at rest on a plane inclined at angle θ = 18.0° to the horizontal. The positive direction of x axis is up the plane.
An aluminum glider travelling on africtionless air track at 4 m/s is overtaking another glider, twiceits mass, on the same air track, and traveling in the samedirection at 2m/s.
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