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A bullet of mass 5 g strikes and embeds itself in a wood block with mass 2 kg. initially, the block is suspended and at rest. After the impact, the block swings up to a maximum height 4 cm. What is the velocity of the block right after the impact?
Find the mechanical energy of a block-spring system having a spring constant of 0.67 N/cm and an oscillation amplitude of 1.5 cm
A sliding bar has a length of .547m and moves at 2.34m/s in a magnetic field of magnitude .204T. The resistance in the circuit is .698ohms. find the new speed of the rod
A skateboarder shoots off a ramp with a velocity of 6.4 m/s, directed at an angle of 55° above horizontal.
Consider a particle of mass m contrained to lie on the surface of a cone with it's vertex pointing down and half angle alpha. write the equations of constraint
A metal wire has a resistance of 25.00 W under room temperature conditions of 25°C. What is the temperature coefficient of resistivity of this metal
A proton moves at a speed of 995 m/s in a direction perpendicular to a magnetic field with a magnitude of 0.76 T
A 1.5 kg object has a velocity of 5j m/s at t=0. It is accelerated at a constant rate for five seconds after which it has a velocity of (6i+12j) m/s
Three charges, q1 = +1.84 10-9 C, q2 = -3.06 10-9 C, and q3 = +1.09 10-9 C, are located on the x-axis at x1 = 0, x2 = 10.0 cm, and x3 = 20.0 cm. Find the resultant force on q3.
An object is 24.2 cm from the center of a silvered spherical glass Christmas tree ornament 5.90 cm in diameter. What is the magnification of its image
What is amplitude of the subsequent oscillations
A 6.00m long string sustains a three-loop standing wave pattern as shown. The wave speed is 2.00 x 10^2 m/s. What is the frequency of vibration
The length of a simple pendulum is 0.86 m and the mass of the particle (the "bob") at the end of the cable is 0.33 kg. The pendulum is pulled away from its equilibrium position by an angle of 9.0 ° and released from rest.
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