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A police officer is investigating the scene of an accident where two vans collided at an intersection. One car with a mass of 1100 kilogram moving west had collided with a 1300 kilogram van moving north. The two vans, stuck together, skid at an angle of 30 degree north of west for a distance of 17 meter. The coefficient of kinetic friction between the road and the tires is 0.80. The speed limit for each van was 70 km/h. Find was either van speeding?
A .8 meter tennis racket is swung by a player with an arm length of .7m. what was the angular velocity of the shoulder joint
A beam of light is incident in air with an incident angle 56 degrees. calculate the index of refraction of this unknown liquid
A piece of tin has a mass of 25g and a volume of 4.3cm^3 a)what is the mass of 1 cm^3 b) what is the volume of 1g of tin c) what is the density of the tin d) what is the mass of 34cm^3 of the same type of tin e) what is the volume of 130g of the s..
An image of the moon is focused onto a screen using a converginglens of focal length (f= 34.3 cm). What is the diameter of the moon's image
A uniform bar is 5.00 m long and weighs 975 N. A weight of 255 N is attached to one end while a weight of 375 N is attached 1.50 m from the other end. Find the tension in the cable
multiple-Concept Example 11 deals with a situation that is similar, but not identical, to that here. When 4710 J of heat are added to a 0.261-m-long silver bar, What is the mass of the bar
A child moves with a speed of 5.40 m/s when positioned 14.0 m from the center of a merry-go-round. Calculate the net force (in newtons) exerted on the child, whose mass is 26.0 kg
Explain how will the acceleration due to gravity at the surface of planet X compare to the acceleration due to gravity at the surface of earth?
A spring with spring constant 13 N/m hangs from the ceiling. A ball is attached to the spring and allowed to come to rest. It is then pulled down 8.5cm and free. The ball makes 26 oscillations in 18 s seconds.
A cannon is fired horizontally from atop a 40.0 m tower. Thecannonball travels 145 m horizontally before it strikes the ground.With what velocity did the ball leave the muzzle.
Your 12 kilogram baby sister is hanging on the bottom of a table cloth with all her weight. Find the acceleration of the turkey
Three capacitors are connected in series. The equivalentcapacitance of this combination is 3.03µF. Two of the individual capacitances are 6.30 µF and 9.09µF. What is the third capacitance (in µF)?
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