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A car initially traveling at 23.6 m/s undergoes a constant negative acceleration of magnitude 1.70 m/s squared after its brakes are applied.
1. How many revolutions does each tire makebefore the car comes to a stop, assuming the car does not skid and the tires have a radii of .330m? ___________ rev
2. What is the angular speed of the wheels when the car has traveled half the total distance? ______rad/s
A football quarterback throws a pass at an angle of 36°. He releases the pass 3.50 m behind the lineof scrimmage. His receiver left the line of scrimmage 2 s earlier, going straight down-field at a constantspeed of 7.50 m/s.
A rectangular coil with dimensions of 8.0 cm×10 cm is dropped from a zero magnetic field position to a 1.4 T magnetic field in 0.10 s. What is induced emf in the coil as a result of this
A stroboscope is a light that flashes on and off at a fix rate. It can be used to illuminate a rotating object, Find the shortest time between flashes of light that will make a three-bladed propeller appear stationary when it is rotating with an an..
a hollow metal sphere has inner and outer radii of 7 cm and 10 cm radii. a point charge is located at the center is
a small ball is launched at an angle of 30.0 degrees above the horizontal. it reaches a maximum height of 2.5 m with
Four charges of equal magnitude Q = 65 nC are placed on the corners of a rectangle of sides D1 = 25 cm and D2 = 10 cm. calculate the numeric value for the horizontal force in N
A light spring of force constant k = 156 N/m rests vertically on the bottom of a large beaker of water. A 5.55-kg block of wood (density = 650 kg/m3) is connected to the spring, and block-spring system is allowed to come to static equilibrium. Wha..
Arthur and Betty start walking toward each other when they are 100 m apart. Arthur has a speed of 3.0 m/s and Betty has a speed of 2.0 m/s. Their dog, Spot, starts from Arthur's side at the same time and runs back and forth between them. By the time ..
A violinist places her finger so that the vibrating section of a 1.20 g/m string has a length of 40.0 cm, then she draws her bow across it. A listener nearby in a 20 ^circ {rm C} room hears a note with the wavelength of 30.0 cm. What is the tensio..
The work done by an external force to move a 6.50 uC charge from point a to point b is 0.0240 J. The charge started from rest, Find the potential difference, Vba between points
A 15.0 kilogram small block is pushed against a vertical wall with a horizontal force. find what minimum horizontal force must be applied
you are swinging your younger sister in a horizontal circle of radius 0.80 m. her mass is 21 kg and you arrange it so
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