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A car drives along a dual carriageway at 96 km h−1. The driver sees a speed limit sign approaching and applies the brakes to decelerate to a speed of 48 km h−1. Given that the deceleration is 2.68 m s−2 discover the distance over which the brakes are applied.
A jetliner with an airspeed of 1000 km/hr sets out on a 1500 km flight due south. To maintain a southward direction, what is the wind velocity
Defibrillators are used to revive a person when their heart has stopped beating. How do they work? What care must the person administering the treatment take
The average speed of blood in the aorta is 0.294 m/s and the radius of the aorta is 1.04 cm. There are about 1.97 × 109 capillaries with an average radius of 6.09 ?m. What is the approximate average speed of the blood flow in the capillaries?
A stuntman drives a car over the top of a hill, the cross section of which can be approximated by a circle of radius 160 m. What is the greatest speed at which he can drive without the car leaving the road at the top of the hill?
The impact of the racket gives the ball a constant acceleration of 46 cm. Illustrate what is the magnitude of the net force acting on the ball?
A 0.740 m long brass pendulum experiences a 20.0°C temperature increase, Find the ratio of the change in period to the original period, What is the change in the period
A ball is dropped out of a window near the top of a building. If the ball accelerates toward the ground at a rate of 9.8 , what is its velocity when it has fallen 4.00m
An automobile has a vertical radio antenna 1.00 m long. The automobile travels at 56.0 km/h on a horizontal road where Earth's magnetic field is 50.0 µT, Calculate the magnitude of this induced emf
What is the maximum instantaneous power dissipated by a 1.0 hp pump connected to a 240-Vrms ac power source
On a frictionless, horizontal air table, puck A (with mass0.250 kg) is moving toward puck B (with mass 0.330 kg),which is initially at rest. After the collision, puck Ahas a velocity of 0.120 m/s to the left, and puck B has avelocity of 0.830 m/s ..
Dr Jeeves has invented a new kind of heat engine that operates using a pool of molten copper at 1083 degrees celcius and a block of solid lead at 327 degrees celcius. How much power is produced by the engine
a 2.50 muf capacitor is charged by a 12.0- battery. it is disconnected from the battery and then connected to an
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