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A speeding motorist passes a stopped police car. At the moment the car passes, the police car starts from rest with a constant acceleration of 4.28m/s^2. the speeding motorist coninues with a constant velocity until caught by the police car 14.8s later. How fast is the car going?
A cylindrical grain bin 24.0 ft in diameter is filled with corn whose weight density is 45.1 lb/ft^3. How tall can the bin be for the floor
A travelling at a speed of 15 m/s slams on the breaks locking the wheels of his car, What is the speed of the vehicle after 2 seconds have passed
q1. a solid rock is suspended in air by a spring scale. the rock has a mass of 2.50 kg. when the rock is dunked in
A proton is confined to a nucleus that has a diameter of 8.3 × 10-15 m. what is the minimum uncertainty in its momentum
A student is sleeping under a small goose-down comforter that has coefficient of thermal conductivity of 0.025 W/m °C. what is the rate of heat flow through the comforter
A sinusoidal wave traveling in the positive x-direction has an amplitude of 15cm, a wavelength of 40cm, Write down the wave function for a left traveling wave with the same parameters
A steel ball of mass .5 kg is fired vertically up from the edge of a building 20 m high with an initial speed of 10 m/s. find the average resistance force that sand exerts on the ball
List the differences between radio waves and microwaves in terms of wavelength, wave frequency and health hazards this is the question why it wants more text i do not know
The atomic mass of ammonia is 17 atomic mass units. What is the atomic mass of nitrogen if a molecule of ammonia consists of one atom of nitrogen and three atoms of hydrogen?
a single resistor is connected across the terminals of a battery. which one or more of the following changes in voltage
A very early, simple satellite consisted of an inflated spherical aluminum balloon 30 m in diameter and of mass 20 kg. What is the gravitational force on the meteor from the satellite at the closest approach
a -10.0nc point charge and a 20.0nc point charge are 15.0cm apart on the x-axis.what is the electric potential at the
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