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Luigi wishes to suspend a lantern of mass m between his store and a telephone pole. THe cable attached to his store makes an angle (theta) to the wall. The cable to the telephone pole is horizontal. (A.) What is the tension in the cable of angle (theta)? (B.) What is the tension in the horizontal cable? (C.) Calculate the two tensions for a 12 kg lantern with (theta)=40degrees.
Two identical +9.5 uC point charges are initially 3.5cm apart from each other. If they are released at the same instant from rest, how fast will each be moving as they are very far away from each other? Assume they have identical masses of 1 mg.
Cowboy joe wishes to shoot his assaiat by ricocheting a bullet off a mirrored metal plate. To do so, must he simply aim at the mirrored image of his assaiant? Explain.
The wavelength of an ocean wave
At time a grinding wheel has an angular velocity of 22. It has a constant angular acceleration of 28.0 until a circuit breaker trips at time = 1.60 . From then on, the wheel turns by an angle of 438 as it coasts to a stop at constant angular decel..
Interpretation of Distance-time Graph 1. Which car is ahead and by how much distance after 3 hours? 2. Which car stops moving after 3 hours?
If a 37.2N horizontal force must be applied to slide a 15.8kg box along the floor at constant velocity what is the coefficient of sliding friction between the two surfaces.
You and the friend each drive 47.0 km. You travel at 87.0 km/h; your friend travels at 98 km/h. How long will your friend wait for you at the end of trip.
A pulsar is a rapidly rotating neutron star that continuously emits a beam of radio waves in a searchlight manner. Each time the pulsar makes one revolution, the rotation beam sweeps across the earth, & the earth receives a pulse of radio waves. ..
A bullet is fired horizontally from a 100 m, t all building with a speed of 900 m? How long will it take to hit the ground?
What is the specific heat capacity of other substance.
When resting, a person has a metabolic rate of about 5.84 x 105 joules per hour. The person is submerged neck-deep into a tub containing 3.61 x 103 kg of water at 28.8 °C. If the heat from the person goes only into the water, find the water temper..
What is magnitude of the unknown force
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