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A race cars start from rest on a circular track of radius 210 meter. The car's speed increases at the constant rate of 0.590 m/s2. At the point where the magnitudes of the centripetal and tangential accelerations are equal,
(a) Determine the speed of the race car?
m/s
(b) Determine the distance traveled?
m
(c) Determine the elapsed time?
s
A soccer ball is kicked with the initial speed of 10.8 m/s . After 0.720 s it is at its highest point. What was its initial direction of motion
A car with 60 cm diameter tires is traveling at a constant speed of 100 km/hr. What is the angular velocity of the tires in rad/s
Ceres, the smallest identified dwarf planet in the Solar System, has a radius R = 480 km, Use these numbers to calculate the escape speed from the surface of Ceres
the speed limit on a particular stretch of road is 30 miles per hour. express this speed limit in millifurlongs per
A rock weighing 7404 N rock with a volume of 29 L is completely submerged in mercury. The density of mercury is 13.6 kg/L. Decide the density of the rock. Decide the buoyant force on the rock.
A meter stick is supported on a fulcrum at the 17 cm mark. A 0.70 kg object is hung from the zero end of the meter stick, What is the mass of the meter stick
A 1000Hz sound travels through pure oxygen. The wavelength of the sound is measured to be 0.65m. What is the speed of oxygen?
An airplane takes off at sea level and climbs to a height of 475 m. Estimate the net outward force on a passenger's eardrum
A 245 kg person lays on board that is supported only on the ends and that has a mass of 12.0 kg. what is the force on either side where the board is supported
A 1.82-cm high object is placed 22.0 cm in front of a concave mirror with a 3.55-cm focal length. What is the position of the image
A 1000kg car coasting at 72.0km/h on a level frictionless road comes to a 15 degree incline. Calculate how far the car will travel before coming to rest
Consider a 60 W light bulb with a 2.0m long tungsten filament connected to a 120V source, Determine the resistance of the filament
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