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A typical jetliner lands at a speed of 71.5 m/s and decelerates at the rate of 4.47 m/s2. If the plane travels at a constant speed of 71.5 m/s for 1.00 s after landing before applying the brakes, what is the total displacement of the aircraft between touchdown on the runway and coming to rest?
a solid uniform disk of radius 0.250 m and mass 60.5 kg rolls down a ramp of length 5.20 m that makes an angle of
In a chase scene, a movie stuntman runs horizontally off the flat roof of one building and lands on another roof 2.1m lower. If the gap between the buildings is 4.8m wide, how fast must he run to just barely cross the gap? In other words, what is his..
An electron is observed traveling at a speed of 1.89 107 m/s parallel to an electric field of magnitude 10,660 N/C. How far will the electron travel before coming to a stop? (The mass of electron is 9.109 10-31 kg, and the charge on the electron is 1..
A 120-V motor has mechanical power output of 3.60 hp. It is 87.0% efficient in converting power that it takes in by electrical transmission into mechanical power. Find the current in the motor
A ball swings in a vertical circle at the end of a rope 1.50 m long. When the ball is 36.9° past the lowest point on its way up, determine the speed and velocity of the ball
A flat coil of wire is used with an LC-tuned circuit as a receivingantenna. The coil has a radius of 0.15 mand consists of 450 turns. The transmittedradio wave has a frequency of 0.8 MHz.
A balloon with a radius of 14.00cm and an electric charge of 3.75 × 10-9 C is brought within the electric field of the larger balloon so their centres are 40cm apart. Establish the magnitude of the electric force exerted by this electric field on ..
A Carnot cycle uses a cold reservoir at 280 K. In each cycle, 2500 J of heat is supplied and 1200 J of work is done. What is the temperature of the hot reservoir
120 g ball moving to the right at 4.1m/sec catches up and collides with a 450 g ball that is moving to the right at 1.2 m/sec what is the speed of both balls after the collision?
The first two dark fringes on one side of the central maximum in a single-slit diffraction pattern are 1.0 mm apart. What is the slit width
In an earthquake waves of several types move through the Earth and along its surface. One type is transverse waves that move along thesurface of the ground (these are the most destructive). You canthink of them as just like the waves you are used ..
A 1500 kg car is driven onto a pair of ramps so that it fronts wheels have been raised 0.3 m above the rear wheels. How much of the car's weight is supported by the rear wheels
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