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assume that you have a mass of 50.0kg. earth has a mass of5.97x10^24kg and a radius of 6.38x10^6m.
A) what is the force of gravitional attraction between you andearth?
B) what is your weight?
A steel wire strung between two supports is initially horizontal when there is no tension on it. When a 9.5 kg painting is hung on the wire, the wire makes a 25° angle to the horizontal, as shown. Illustrate what is the diameter of the wire?
Most materials will expand when the temperature is increased. The change in size will depend on several factors, including the original size, What is the fractional change in length
The speedometer of a truck shows the linear velocity of the truck but actually measures the angular velocity of the wheels and converts that to the linear velocity. If the tires are changed out and larger diameter tires replace the stock tires, does ..
A man with mass 72.9 kg and density 970 kg/m^3 stands in a shallow pool with 33.3% of the volume of his body below water. Calculate the normal force the bottom of the pool
An object of mass b has a speed that changes with distance d according to v = bx^-n. What is the force as a function of d? What is the position as a function of time d(t=0)=d(initial).
A Circuit has two identical capacitors with capacitance 4x10^-6 in parallel connected to two identical four ohm resistors in parallel. What is the initial charge on the capacitors
Calculate the linear acceleration of a car, the 0.340 m radius tires of which have an angular acceleration of 7.0 rad/s2. Assume no slippage
A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting force does work in raising the helicopter. What is the average power generated by the lifting force
The electricity supplied through a city power line is transmitted at 14,300 V. On each city block there are one or more neighborhood transformers on utility poles that transform the potential difference to 120 V, as used in homes and businesses (2..
A kicker punts a football from the very center of the field to the sideline 36 yards downfield. What is the direction of the net displacement of the ball
The drawing shows a hydraulic system used with disc brakes. The force is applied perpendicularly to the brake pedal. find the force applied to each side of the rotating disc
A square coil, enclosing an area with sides 3.4 cm long, is wrapped with 2,224 turns of wire. What average voltage is induced in the coil
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