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You're in an airplane that flies horizontally with speed 900 km/h (250 m/s) when an engine falls off. Neglecting air resistance, assume it takes 26s for the engine to hit to the ground:
What's the height of the airplane?
What's the horizontal distance that the aircraft engine falls?
A 760 Ω resistor is connected to a variable-voltage power supply. Find what current flows in the resistor when the voltage is 16 Volt
A bat flying in a cave emits a sound and receives its echo 0.37s later. How far away is the cave wall? (Hint: The sound has to travel to the wall and then back again. Use 340 m/s for the speed of sound.)
A wall in a house contains a single window. The window consists of a single pane of glass whose area is 0.10 m2, what is the percentage lost by the window
A rock is thrown vertically upward from ground level at time 0. Find what is the height of the tower
A ball of mass m = 1.9 kg is released from a height of h = 2 m into a tank of water. At a time of t = 1.13 s after striking the surface of the water, the ball's velocity has decreased by 50%. What is the magnitude of the average force the ball exp..
Car C and car D are both stopped at the similar intersection. At t=0 sec car C starts to accelerate from rest at a constant acceleration of 1.5 m/s2. Determine how far have the cars travelled when the meet
When the skateboarder reaches the highest point, how far is this point horizontally from the end of ramp.
From the following counts below, which were taken on a major arterial during the evening peak period, determine: The peak flow rate within the peak hour
A monatomic ideal gas expands at constant pressure. (a) What percentage of the heat being supplied to the gas is used to increase the internal energy of the gas? (b) What percentage is used for doing the work of expansion?
You are on an unknown planet orbiting an unknown star. When the 108 cm long camera is pointed at the star an image is formed that is 1 cm in diameter, what is the diameter of the star
An airplane is flying through a thundercloud at a height of 2 km. There are charge concentrations of 30 C at height 3 km at the top of the cloud and -30.0 C at a height of 1km, What is the electric field E within the cloud
A horse draws a sled horizontally across a snow-covered field. The coefficient of friction between the sled and the snow is 0.175, and the mass of the sled, what is the power needed to accomplish this
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