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Angry Bird is launched horizontally with a slingshot with a speed of 1.87 m/s. If the initial height of the Angry Bird is 20.41 cm, how far away will the target need to be, in meters?
a dog is walking slowly toward a motion detector. Draw a position graph that could represent this motion. Show your work.
At what temperature is the speed of sound in helium (ideal gas, = 1.67, atomic mass = 4.003 u) the same as its speed in oxygen gas at 11.0 oC? The speed of sound in oxygen at 11.0°C is 322 m/s.
A uniform stick 1.5 m long with a total mass of 300g is pivoted at its center. With what angular speed is the stick spinning
A satellite moves in a circular orbit around Earth at a speed of 4714 m/s. Determine the satellite's altitude above the surface of Earth
A proton is travelling to the right at. It has a head-on perfectly elastic collision with a carbon atom. The mass of the carbon atom is 12 times the mass of the proton. What are the speeds of each after the collision? What is the direction of the pro..
A child makes a "raft" by inserting a pin perpendicularly into the flat surface of a cork with diameter D. What is the maximum height h of the pin if its tip is completely hidden from view when observed from above the surface of the water
An ambulance moving at 42 m/s sounds its siren whose frequency is 450 Hz. a car is moving in the same direction as the ambulance at 25 m/s. what frequency does a person in the car hear as the car approaches the ambulance? After the ambulance passe..
A metal rod 32 cm long moves in a plane perpendicular to a magnetic field of 200 G. Find the speed of the rod if the potential difference between the ends is 6 V
A uniform plank of length 4.3m and weight 236N rest horizontally on two supports, with 1.1m of the plank hanging over the right support. To what distance x can person who weighs 450N walk on the overhanging part of the plank before it just begins ..
On a frictionless, horizontal air track, a glider oscillates at the end of an ideal spring of force constant 4.00. Find the maximum force the spring exerts on the glider
A diver has a vertical velocity of -12 m/s when she is 1.8 m above the water. What was her peak height
What current must exist in the conductor for the tension in the supporting wires to be zero when the magnetic field is 3.40 T into the page
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