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A 8.0 g string, 0.87 m long, is under tension. The string produces a 900 Hz tone when it vibrates in the third harmonic. The speed of sound in air is 344 m/s. The wavelength of the tone in air, in SI units is?
A satellite is in a 95.0 min period circular orbit 380km above Earth's surface. Find the satellite's speed
You compress a spring with k = 3000 N/m a distance of 0.2 m with a block of mass 4 kg. hat is the velocity of the block after it leaves the spring but before it gets to the incline
A 0.954-kg toy car is powered by three D cells (4.50 V total) connected directly to a small DC motor. What is the average current supplied to the car\'s motor
A battery has an emf of 7.5 V and 16 A of current flows through it. What power is this battery supplying
A wire 11.80 m long carries a current of 1.30 A and makes an angle of 35.0 degrees with a uniform magnetic field of magnitude B=10.50 T. Calculate the magnitude of the magnetic force on the wire.
A thin lens made of glass has a focal length in air of 16.3 cm. A lens of exactly the same shape is then made from diamond. What is the focal length of the diamond lens in air
Your suitcase has not slid all the way down the slope andis going around at a constant speed on a circle (r =12.0 m) as the carousel turns. How much time is required for your suitcase to go around once
a flat conducting loop is positioned in a uniform magnetic field directed along the x axis. for what orientation of the
Compute your average velocity in the following two cases: (a) You walk 61.0 m at a speed of 2.26 m/s and then run 61.0 m at a speed of 3.38 m/s along a straight track. (b) You walk for 1.00 min at a speed of 2.26 m/s and then run for 1.85 min at 3..
question1a backpack full of books weighing 53.0 rests on a table in a physics laboratory classroom. a spring with a
For a safe re-entry into the Earth's atmosphere, the pilots of a space capsule must reduce their speed from 2.6 × 104 m/s to 1.1 × 104 m/s. For how long must they fire their engine
The length of a simple pendulum is 0.70 m and the mass of the particle (the "bob") at the end of the cable is 0.24 kg. What is the angular frequency of the motion
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