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A 81-kg fullback is running at 3.3m/s to the east and is stopped in 0.85s by a head-on tackle by a tackler running due west.
A. Calculate the original momentum of the fullback.
B. Calculate the impulse exerted on the fullback.
C. Calculate the impulse exerted on the tackler.
D. Calculate the average force exerted on the tackler.
Find out the maximum height reached by the athlete relative to the trampoline also f ind out the speed of the athlete when she is halfway up to her maximum height
The top plate is illuminated by monochromatic light of wavelength 544.1 nm. Determine number of dark parallel bands crossing the top plate (including the dark band at zero thickness along the edge of contact between the two plates).
A typical American family uses 1120 kWh of electricity a month. On average, what is the resistance of a household
A vertical straight wire carrying an upward 21-A current exerts an attractive force per unit length of 8.3×10?4N/m, What is the magnitude of the current in the second wire
An ac generator has a frequency of 6.5 kHz and a voltage of 35 V. When an inductor is connected between the terminals of this generator, What is the inductance of the inductor
Suppose the light bulb in the figure below is replaced with a short wire of zero resistance, and the resistance of the rails is negligible, What is the current in the rod
The beam from a diode laser is used to investigate the refraction of a piece of plastic. Determine the wavelength of the light in the plastic in nanometers (nm).
A potential difference of 5.60 V will be applied to a 33.00 m length of 18-gauge tungsten wire (diameter = 0.0400inches). Calculate the current and Calculate the current density
What is the half life of the sample if the decay rate decay rate decreases from 175 KBq to 12.4kBq in 18 seconds
a copper puece of mass 140g and of temperature 240 degree is placed into 360g of water at temperature 25 degree. Find the final equilibruim temperature
What would happen to the gravitational force between Earth and the Sun. A reconnaissance plane flies 600 km away from its base at 240 km/h, then flies back to its base at 320km/h.
A 5.0g- lead bullet is fired into a fence post. The initial speed of the bullet is 240m/s, How much does the bullets temperature increase
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