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Question: Suppose you have two point-like charges q1 = 0.5C and q2 = 1C separated by 0.5m. What is the magnitude of the force on the smaller of the two charges? Compare this force to the force on the larger charge.
In 1975 the roof of Montreal's Velodrome, with a weight of 360 kN, was lifted by 10 cm so that it could be centered. How much work was done on the roof by the forces making the lift.
Discuss the advantages and disadvantages of nuclear physics. Do you know anything about nuclear waste from nuclear power plants and their disposals mechanism? Discuss the application of half-life.
A projectile is shot from the ground at an angle of 55 degrees with respect to the horizontal,find the horizontal component and the vertical component of initial velocity
A wheeled car with spring-loaded cannon fires a metal ball vertical. What would happen if the cannon were accelerating
A parachutist relies on air resistance (mainly on her parachute) to decrease her downward velocity. What is the combined weight of the parachutist and parachute
Find the velocity of a spacecraft whose booster rocket has a mass ratio of 34?, an exhaust velocity of 2.7 ?km/s, and a firing time of 40s. Can the spacecraft achieve a stable orbit 300 km above? Earth? The maximum velocity of the spacecraft is ap..
At the instant of the figure, a 1.4 kg particle P has a position vector r of magnitude 1.1 m and angle ?1 = 45° and a velocity vector v of magnitude 3.8 m/s and angle ?2 = 30°. What is the torque acting on the particle about the origin
A diver runs horizontally off the end of a diving board with an initial speed of 1.85m/s. if the diving board is 3.00 meter above the water, find the divers speed just before she enters the water
Two children fighting over a toy pull on the toy in different direction. What is the magnitude of the net force on the toy
An object is dropped from rest from aheight of 40 million meters above surface of the earth. If there isno air resistance, what is its speed when it strikes the earth
Bone has a Young's modulus of about 1.80 1010 Pa. Under compression, it can withstand a stress of about 1.55 108 Pa before breaking. Assume that a femur (thigh-bone) is 0.60 m long, and calculate the amount of compression this bone can withstand befo..
if a compressive force of 1850.549 lbf is applied on a cross-section of a 20ft aluminum rod with a radius of 6.826mm
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