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A 95 N force exerted at the end of a 0.69 m long torque wrench gives rise to a torque of 15 Nm. What is the angle (assumed to be less than 90o) between the wrench handle and the direction of the applied force?
Two force act on a 5.0kg object sitting on a frictionless horizontal surface. What is the acceleration of the object
A straight horizontal wire carries a current of 6.50 mA. Calculate how far is the electron above the wire
A 55kg pole vaulter running at 10m/s vaults over the bar. If the vaulter's horizontal component of velocity over the bar is 1.10m/s and air resistance is disregarded, how high was jump.
Unpolarized light is incident upon two polarization filters that do not have their transmission axes aligned. If 18% of the light passes through this combination of filters,
An asteroid is discovered in a nearly circular orbit around the Sun, with an orbital radius that is 3.55 times Earth\'s. What is the asteroid\'s orbital period, its \"year,\" in terms of Earth years
A box is sliding with a speed of 4.50 m/s on a horizontal surface when, at point P, it encounters a rough section. What is the coefficient of friction at the stopping point
An electron is released from rest at the negative plate of a parallel plate capacitor. Obtain how fast is the electron moving just before it reaches the positive plate
The pulley of an Atwood Machine has a radius of 0.150 m and a moment of inertia of 0.687 kg m^2. Mass 1 is equal to 19.9 kg and Mass 2 is equal to 15.0 kg. What is the acceleration of Mass 2 and what is the angular acceleration of the pully?
The eyepiece of a refracting astronomical telescope (see the figure) has a focal length of 8.75 c. What is the angular magnification of the telescope
A 40 mm camera lens is used to photograph a 17 m tall tree. Derive a correct expression for diameter
A block of glass with flat sides is surrounded by air. A ray of light traveling in the glass (refractive index na) is incident on the flat interface with air at the top surface of the block of glass, What is the refractive index of the glass
A mass of 35.3kg is attached to a light string that is wrapped around a cylindrical spool of radius 10cm and moment of inertia 4.00 kg*m^2. How long does it take to reach the floor
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