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A car with a mass of 950kg is travelling east when it collides with a truck of mass 1900kg that is travelling south. The two vehicles stick together as a result of the collision, and the wreckage slides at 16.0m/s in the direction 24.0degress south of east. What is the speed of the truck before the collision (assume friction is negligible)?
A sprinkler mounted on the ground send out a jet of water at 30 degrees angle to horizontal. How far does the water travel before it hits the ground
A rubber rod is rubbed with fur. The fur is then quickly brought near the bulb of an uncharged electroscope. find the sign of the charge on the leaves of the electroscope
Two identical point charges (q = +6.90 x 10-6 C) are fixed at opposite corners of a square whose sides have a length of 0.45m. A test charge (q0 = -3.20 x 10-8 C), with a mass of 5.20 x 10-8 kg, is released from rest at one of the corners of the s..
The scale of a spring balance reading from 0 to 235rm {N} has a length of 15 rm{cm}. A fish hanging from the bottom of the spring oscillates vertically at a frequency of 2.7rm {Hz}. What is the mass of fish? In Kg.
two blocks of mass m1 and m2 approach each other on a horizontal table with the same constant speed, Vo, as measured by a laboratory observer. Determine the ratio of the two masses m1/m2
The tank is shelling at a target that is 4km away and 60m above ground. If the shell is being fired at 30degrees above the horizontal, determine the release speed of the shell
A piece of string wraps around a cylinder 8 times. The length of the string is 14 cm. calculate the circumference of the cylinder.
a metal airplane flies horizontally at 200. m/s where the Earth's magnetic fiels is vertical and is 45.0uT. If the wingspan is 25.0 meters. what emf is induced across the wings
An athlete training for an event does 6.53 104 J of work during a workout and gives off 6.17 105 J of heat, Determine the magnitude of the change in internal energy of the athlete
a bowling ball rolls across a horizontal roof with a speed of 8.57m/s If the roof is 12.5m/s above ground how far from the base of building will the ball land
The radius of the aorta is about 1.0cm , and the blood passing through it has a speed of about 46cm/s, Calculate the pressure drop per cm along the aorta.
A metal sphere centered at the origin has a surface charge density that has a magnitude of 24.1 nC/m2 and a radius less than 2.00 m. What is the sign of the charge on the sphere
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