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A piece of ice its mass is 2.5 kg and at 0.0 C temperature , it is crawling on the ground with 5.7 m/s , what is the mass of the melted ice , if we know all of the kinetic energy of the ice turn into the internal energy (of the ice ) , that we need 3.3 X 10^5 J to melt 1.0 kg ice ?
What is the electric field strength between the disks. What is the speed of the box at the end of the 5.7-s interval.
determine the angle of deviation of a ray by a glass prism with a prism angle of 3o if the angle of incidence of the
Instantaneous speed The instantaneous speed is the speed that something has at any instant of time. The speed measured by a radar gun is very close to instantaneous speed. The car speedometer is also very close to the instantaneous speed because t..
A diver running 2.5m/s dives out horizontally from the edge of a vertical cliff and 2.9s later reaches the water below. How far from its base did the diver hit the water
How far from a 50-mm focal length lens, such as is used in many35-mm cameras, must an object be positioned if it is to form a real image magnified insize by a factor of three?
A person sees a distant lightning strike, then 4.5 seconds later he hears the thunder clap. If it is 35 degrees Celsius, how far away was the lightning strike
An 815-kg race car can drive around an unbanked turn at a maximum speed of 61 m/swithout slipping. The turn has a radius of curvature of150 m. Air flowing over the car's wing exerts a downward-pointing force (called the downforce) of2500 N on the ..
A harmonic signal with a frequency of 1000 hertz and an amplitude of 2 v is displayed on the oscilloscope. Find what horizontal setting for the time (ms/div) will display one complete cycle of the signal in 4 horizontal divisions
A railroad car of mass 2.5 104 kg moving at 3.50 m/s collides and couples with two coupled railroad cars, What is the speed of the three coupled cars after the collision
The area of a room floor is 25ft^2. How many square meters are on the floor? a)7.6m^2 b)2.3m^2 c)82m^2 d)2.6*10^2m^2 e)none
charge is distributed uniformly throughout the volume of an infinitely long cylinder of radius r 4.00times10-2 m. the
An electron traveling horizontally with velocity 1.55 x10^{5} m/s enters a region where a uniform magnetic field is directed into the plane of the paper, find the magnitude of the magnetic force exerted on the particle
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