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Near the surface of the Earth a small object of mass m = 0.5 kg, on the end of a light cord, is held at an angle of 45 degrees from the horizontal and a distance R from a fixed support The object is then released from rest. What is the tension force of the cord when the object is at the lowest point of its swing?
An object of mass 3.09 kg, moving with an initial velocity of 4.90 m/s, collides with and sticks to an object of mass 2.89 kg with an initial velocity of -3.84 m/s
A 40.0 liter gas tank is filled to the brim with gasoline when the temperature is 5.00°C. Gasoline has a coefficient of volume expansion of 950 10-6/°C. If the gas tank is moved into the sun of a hot summer day, the temperature of the gas tank is ..
An object is made of glass and has the shape of a cube 0.12 m on a side, according to an observer at rest relative to it. However, an observer moving at high speed parallel to one of the object's edges and knowing that the object's mass is 2.8 kg ..
A 5 g bullet with an initial velocity of 95 m/s lodges in a block of wood and comes to rest at a distance of 6 cm. assume the bullet undergoes a constant negative acceleration; it slows at a constant rate. How much time does it take for bullet to ..
A concave spherical mirror has a radius of curvature of 7.00cm. Calculate the size of the image
A bowling ball (mass = 7.2 kg, radius = 0.11 m) and a billiard ball (mass = 0.39 kg, radius = 0.028 m) may each be treated as uniform spheres
Two narrow slits 50 micrometers apart are illuminated with light of wavelength 500 nm . What is an angle of the m=2 bright fringe in radians? in degrees.
What is the period of oscillation of the scale? State your reply numerically in seconds.
A student ties a 500 g rock to a 1.0-m-long string and swings it around her head in a horizontal circle. At what angular velocity, in rpm, does the string tilt down ata 10^\circ angle?
A 1.00 kg object is attached to a horizontal spring. The spring is initially stretched by 0.2 m, obtain the maximum speed of the object
Your roommate is working on his bicycle and has the bike upside down. He spins the 54.0cm -diameter wheel, What is the pebbles speed and acceleration
a particle of mass 0.000141 g and charge 18 mc moves in a region of space where the electric ?eld is uniform and is 5.4
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