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You are driving along a highway at 80 kilometer per hour. Exactly 10 meter in front of you is a truck 15 meter long driving at 60 kilometer per hour, your car is 5 meter long. If you wish to pass the truck in 3 second, determine how fast must you accelerate? Find what will your speed be when you pass the front end of the truck?
A total charge of 1.96 μC is distributed uniformly over anentire region, giving a charge per volume of 245μC/m3. A Gaussian surface encloses 1.23μC of that charge. What is the volume of that entireregion?
Suppose that the coefficient of kinetic friction between Zak's feet and the floor, while wearing socks, is 0.250. Knowing this, Zak decides to get a running start and then slide across the floor.
A certain digital camera having a lens with focal length 7.50cm focuses on an object 1.90m tall that is 4.70m from the lens. How far must the lens be from the photocells
A satellite moves in a circular orbit around Earth at a speed of 4439 m/s. Determine the period of the satellites orbit
An alpha particle (charge +2e, mass 6.64 x 10^-27) moves head-on ata fixed gold nucleus (charge +79e). If the distance of closest approach is 2.0 x 10^-10m, what was the initial speed of the alpha particle?
q1. a dental bracket exerts the horizontal force of 80.0 n on a tooth at point b. what is the torque on the root of
A 55.5-kg ice skater is moving at 4.08 m/s when she grabs the loose end of a rope, Determine the force exerted by the horizontal rope on her arms
ryan is doing leg curls on a cybex machine. he gets stuck with 90 degree angle at the knee joint. the force exerted by
The average Kenworth truck is not impressed and carnage ensues
A 972 kg car is going 20 m/s and the driver has to slam on his brakes to prevent an accident. what is the change in temperature of the brake pads and rotors
An astronomical telescopeuses
one end of a uniform beam of 222N is hinged to a wall, the other end is supported by a wire that makes angles of 30 with both wall and beam, find out the tension in the wire and horizontal and vertical componentes of the force od the hinge on the ..
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