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Solve the all parts of given question:
Question: You swing an object in a vertical circle of radius 0.900m.
Part A: What is the mass of the object if it is known that when the speed of the object at the top of the circle is 3.40m/s the tension in the rope is 4.50N?
Part B: What is the tension in the rope when the object at the bottom of the circle has a speed of 6.80 m/s?
Please explain how you came to your conclusion.
an electric heater is used to heat a room of volume 66 m3. air is brought into the room at 5degc and is completely
A metal wire of mass m slides without friction on two horizontal rails spaced a distance d apart.the track lies in a vertical uniform magnetic field B. A constant current i flows from generator G along one rail across the wire and back down the other..
a uniform electric field of magnitude 256 vm is directed in the negative y direction. a 12.9 uc charge moves from the
A canoe racer (canoe + racer = 105 kg) changes the velocity of his canoe from 2.00 m/s to 3 5 m/s with each stroke. If the force is applied for 0 60 s. what is the average force applied and the distance travelled during force application?
Assume the magnitude of the magnetic field outside a sphere of radius R is B = B0(R/r)^2, where B0 is a constant. (a) Determine the total energy stored in the magnetic field outside the sphere. (b) Evaluate your result from part (a) for B0 = 5e-5 T a..
The catapult on an aircraft carrier can take an aircraft weighing 300,000 N from 0 to 80.6 m/s in 12.6 seconds, find the acceleration of the aircraft when it launches
Jeff Gordon (a racecar driver) discovers that he can accelerate at 3.3 m/s2 without spinning his tires, Find the coefficient of friction between his tires and the road
A photon of red light (wavelength = 710 nm) and a Ping-Pong ball (mass = 2.20 x 10-3 kg) have the same momentum. At what speed is the ball moving
If UV light with a wavelength of 250 nm shines on a zinc plate with a work function of 4.31 eV, Find the KE in eV of the ejected electrons
A police officer stops a driver for excessive speed. Find the speed of the driver in respect to the traffic light
Integrated circuits are manufactured in vacuum chambers in which the air pressure is 7.00x10^-11 mm of Hg. What is the mean free path of a molecule
a rocket of rest length 1000 meters moves with respect to us at v 35c. there are two clocks on the ship one in the
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