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A string with one 10-g washer on the end is attached to the rearview mirror of a car. When the car leaves an intersection, the string makes an angle of 5 with the vertical. What is the acceleration of the car?
A person is riding a bicycle, and its wheels have an angular velocity of 18.5 rad/s. Then, the brakes are applied and the bike is brought to a uniform stop. During braking, the angular displacement of each wheel is 17.5 revolutions. (a) How much time..
an electron traveling at 993 ms enters a 1.5 t magnetic field. the angle between the velocity and the field is 90o.
Please explain in detail and step by step a 1.0kg block is held at rest against a spring with a force constant k = 740N/m. Find d such that the block's speed after crossing the rough patch is 2.4m/s
A 20.0 kg wood ball hangs from a 1.3 m long wire. The maximum tension the wire can withstand without breaking is 300 N. A 0.70 kg projectile travelling horizontally hits and embeds itself in the wood ball.
Energy is to be stored in a flywheel in the shape of a uniform solid disk with a radius of R = 1.30m and a mass of 73.0kg. find the maximum kinetic energy that can be stored in the flywheel
A train can travel from New York City to London via a tunnel. Find total distance in miles from New York City to London using the tunnel.
A typical wall outlet voltage is 120 volts in the United States. calculate the number of turns on the secondary coil of the adapter transformer
For recent General Social Survey data, a prediction equation relating Y = whether attended college (1 = yes) to x = family income (thousands of dollars, using scores for grouped categories),
a toy cannon uses a spring to project a 5.39-g soft rubber ball. the spring is originally compressed by 4.93 cm and has
Snowballs are thrown with a speed of 16 meter per second from a roof 6 meter above the ground. Determine the landing speed of snowball A is the same as the landing speed of snowball B
A family ice show is held at an enclosed arena. The skaters perform to music with level 85.0 dB. What is the combined sound level
In a retelling of the ancient tale of David and Goliath, David holds a 1.6 m rope at its midpoint, and twirls a 1 kg stone attached at the farther end. What is the centripetal force
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