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Problem: An object m slides in a circle of radius r=1.2m on a frictionless table while attached to a hanging block m which has a mass of 1.8kg by a cord through a hole in the table. If the speed of m is 4.3m/s,
Part A: What is the mass of the object m?
I need help to find the mass of the object.
A man stands in a stationary canoe and throws a 5.00 kilogram stone with a velocity of 8.10 m/s at an angle of 28.0 degree above the horizontal. determine the horizontal recoil velocity (direction and magnitude) of the canoe
A 1.0 kg block of aluminum isheated at atmospheric pressure so that its temperature increasesfrom 22°C to 38°C. Find the change in internal energy of the aluminum
Two railroad cars, each of mass 6500 kg and traveling 98 km/h in opposite directions, collide head-on and come to rest. Find how much thermal energy is produced in this collision
A ray of light travels through 3 materials whose surfaces are parallel to each other. The refracted rays (but not the reflected rays) are shown as the light passes through each material. Find the indices of refraction in these two media
A straight horizontal pipe with a diameter of 1.0 cm and a length of 47 m carries oil with a coefficient of viscosity of 0.13 N · s/m2. Estimate the maximum flow speed if the flow must be streamline
A projectile is launched at 64 degrees at 63.7 m/s from the top of a hill. How far down the hill does the projectile hit
A water hose of internal diameter 12.5 mm is used to fill a bucket. It is noted that 8L of fresh water (about 2 gallons) is collected in 1 minute. what is the rate of flow expressed as m^3/sec
Two lenses were 10 cm apart. An object was 30 cm from the first converging lens. The second diverging lens has a focal length of 8 cm. Find the focal length of the first converging lens
A satellite is in a circular orbit around the earth. The period of the satellite is 25.4 hr. Calculate the radius of the orbit and speed of the satellite
A car is designed to get its energy from a rotating flywheelwith a radius of 1.50 m and a mass of475 kg. Find the kinetic energy stored in the flywheel
Anya and Ilya each can run at a speed of 7.20 miles per hour and walk at a speed of 4 mph. They set off together on a route of length 5 miles. Determine how long does it take Ilya to cover the distance
lets say you take an ordinary wire coat hanger and straighten out the hook shaped part that normally hangs over the
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