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A car of mass 409 kg travels around a flat, circular race track of radius 156m. The coefficient of static friction between the wheels and track is 0.207. the acceleration of gravity is 9.9 m/s squared. what is the maximum speed v that the car can go without flying off the track. Answer in units m/s.
The same car now travels on a straight track and goes over a hill with radius of 110m at the top. What is the maximum speed that the car can go over the hill without leaving the road. answer in units of m/s.
An alpha particle (helium nucleus) has total energy 4.1 GeV. Obtain the speed of an electron with same total energy
An object 2.0 cm high is projected onto a screen using a converging lens with a focal length of 35 cm. What is the distance of the lens from the screen
Ask a A projectile is fired with an initial speed of 66.4m/sat an angle of 37.6? above the horizontal on a long flat firing range. Determine the direction of the projectile 1.32s after firing
a sled is moving down an incline plane, the mass of the sled is 40 kg. the angle is 35 degrees, coefficient of kinetic friction is 0.3. Find acceleration of the sled
A ball swings in a vertical circle at the end of a rope 1.50 mlong attached to the ceiling. When the rope is 36.9 degrees pastthe lowest point and is on its way up, its total acceleration isgiven by (-22.5 i + 20.2 j) m/s2. At thatinstant determine t..
A system comprises of two billiard balls having the same mass (2 kg each)that roll toward each other moving at the same speed (1m/s). What is the total momentum of the system?
Sally expends 11 400 J of energy to drag a wooden crate 25.0 m across a floor with a constant speed. The rope makes an angle of 48.0° with the horizontal. How much force does the the rope exert on the crate?
what is the weight of sea water displaced by a boat weighing 120kN? d=1300 Kg/m^3 what is the volume of the sea water displaced by the boat
a parachutist relies on air resistance mainly on her parachute to decrease her downward velocity. she and her parachute
a 5 m glass rod and lead rod bothn at 15deg c. the lead rod is heated to 55deg c. to what temperature must the glass
In a double-slit experiment, the second-order bright fringe is observed at an angle of 0.56°. If the slit separation is 0.12 mm, then what is the wavelength of the light?
A large solid steel (Y = 1.8x10^11 Pa) block (L 5 m, W =4 m, H=3 m) is submerged in the Mariana Trench where the pressure is 7.5x10^7 Pa. By what percentage does the length change?
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