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A bank robbers travelling at 75 mi/hr in an escape car suddenly sees a barricade 150 meter ahead. The robber slams on the breaks following a 0.75 delay (the drivers reaction time) after the brakes are applied, the car decelerates at 4.2m/s2. Will the car hit the barricade, if so, determine what is its velocity?
An uncharged capacitor and a resistor are connected in series to a source of emf. If emf = 10.00 V, C = 19.0 µF, and R = 100 ?, find the maximum change on the capacitor
a nylon rope of length 25.0 is under a tension of 1.30 x 10^4 N. The total mass of this rope is 2.30 kg. how long does it take to reach the other end
A wire of length 0.72 m and cross-sectional area 2.7 cm2 is stretched elastically by an amount 1 cm. Calculate the work done in stretching the wire
Skateboard with a mass of 3kg is moving at a speed of 5 m/s on a level surface. It encounters a hill and rolls up until it stops. To what vertical height does it rise
A generator connected to an RLC circuit has an rms voltage of 140 volts and an rms current of 33 mega-amps. what is the inductive reactance of the circuit
The angular speed of an automobile engine isincreased at a constant rate from 1500rev/min to 2500 rev/min in13 s. How many revolutions does the engine make during this13 s interval
A projectile is fired straight upward at 166 m/s. Determine how fast is it moving at the instant it reaches the top of its trajectory
The headlights on a certain car are gauged to be 1.1 m apart. The diameter of the pupil in a human eye is 2.5 mm. What is the FURTHEST DISTANCE at which a human eye could clearly see the headlights as 2 separate lights? Utilize a wavelength of 617 nm..
an electron is moved from point a where the electric potential is va -280 v to point b where the electric potential is
A boat with an engine speed of 12 m/s directs its motion straight east across a river that is flowing south at 3 m/s. What is the reultant speed and direction of the boat's path
A nonconducting solid sphere of radius R carries a volume charge density that is proportional to the distance from the center: ? = Ar for r ? R, where A is a constant; ? = 0 for r > R. Find the total charge in the sphere
A mountain climber wears a goose down jacket 2.6cm thick with total surface area 0.95 m2. Determine the rate of heat flow by conduction through the jacket assuming it is dry
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