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An 8 g bullet traveling at 340 m/s is shot into a 0.7 kg block of wood suspended from the ceiling by a 2.5 m long light rope. The block is initially at rest before the bullet and the block have a perfectly inelastic collision.
What is the speed of the block of wood just after the bullet embeds itself?
How high (above its starting position) does the block reach after the collision?
How long does this pendulum take for one oscillation? Presume that all displacement angles are small.
A 36 g ball is fired horizontally with initial speed v_0 toward a 110 g ball that is hanging motionless from a 1.1 m-long string. The balls undergo a head-on, perfectly elastic collision, after which 110 g ball swings out to a maximum angle theta_..
A wire carries a current of 0.58 A. This wire makes an angle of 63° with respect to a magnetic field of magnitude 6.4 × 10-5 T. What is the length of the wire
An athlete starts at point and runs at a constant speed of 6.20 around a round track 250 in diameter, Find the component of this runner's average acceleration between points
A horizontal merry-go-round has a mass of 1000 kg, and is a solid disk of radius 2.00 m. It is started from rest by a constant horizontal force of 50.0 N applied tangentially to the edge of the disk.
The 500[m] Short Track speed skating Olympic world record is 39:937[sec] held by American JR Celski. Calculate JR's average speed in [miles=hr] during his record- setting performance.
A 3.53kOhm resistor is connected to a generator with a maximum voltage of 121V. Find the average power delivered to this circuit
Suppose an object starts from rest and the falls with a constant acceleration of 5 mph/s. What will be the speed of the object
A Light-weight potter's wheel, having a moment of inertia of 24 kg*m^2, is spinning freely at 40.0 rpm. what is the mass of the clay
A small electric car overcomes a 250 N friction force when traveling 30 km/h. How much power is dissipated in the coils
A 600 gram particle (initially at rest at the origin) is subjected to a force of F=15i+20j (N), calculate the average power produced by this force
Suppose a single electron orbits about a nucleus containing two protons (+2e), as would be the case for a helium atom from which one of the naturally occuring electrons is removed, Determine the magnitude of the electron's centripetal acceleration
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