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A quarterback holds the ball 1.1m above the field as he runs into the end zone at aconstant 6.2m/s. He drops the ball as he passes over the goal line.
a) Calculate the distance the ball hits the ground from the goal line
b) Calculate the quarterback's distance from the goal line when the ball hits the ground
At 20.0°C, a mainly silicon resistor has a resistance of335 Ω, and a tungsten resistor has aresistance of 752 Ω. At this temperature, the siliconresistor has a temperature coefficient of resistivity of−0.070°C−1 and the tungsten resistor has acoef..
A flight attendant pulls her 65N flight bag a distance of 388m along a level airport floor at a constant velocity. The force she exerts is 38 N at an angle of 51° above horizontal.
A wrecking ball is hanging at rest from a crane when suddenly the cable breaks, Find the time it takes for the ball to fall from rest all the way to the ground
a 0.400 kg object is swung in a vertical circular path on a string 0.550 m long. if its speed is 3.60 ms at the top of
A block having a mass of 0.80 kg is given an initial velocity 1.2 m/s to the right on a frictionless surface. What is the maximum compression of the spring
A 9 kilogram hanging mass is connected by a string over a pulley to a 5 kilogram block sliding on a flat table. If the coefficient of sliding friction is 0.2, evaluate what the tension in the string
a charge q is uniformly distributed throughout a nonconducting sphere of radius r.a what is the magnitude of the
The maximum pressure that can be obtained in your local mechanic's hydraulic pump is 2.0 x 10^5 Pa. what is the largest mass (of car) for which the pump will work
The attenuation (intensity loss) of ultrasound in tissue is approximately 0.3 dB per MHz per cm of depth. (E.g., a 3 MHz signal travelling during 2 cm of tissue has its initial intensity reduced by 0.3×3×2 = ?1.8 dB.)
Using a conventional two-slit apparatus and light that has a 593 nm wavelength, 22 bright fringes per centimeter are observed near the center of a screen 3.80 m away. What is the slit separation
A set of twins, Andrea and Courtney, are initially 10 years old. How old is Andrea upon her return
A skier is accelerating down a 30 degree hill at 2.00 m/s squared. what is vertical component of her acceleration
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