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A) A 0.025 kg bullet hits and becomes embedded in a 6.00 kg wood block which is hanging from a 1.50-m long string. This causes the block to swing through an arc of 5.50 degrees.
i) what was the speed of the bullete before it hit the block?
ii) What is the kinetic energy of the "bullet+block" system immediately after the bullet is embedded in the block?
A 2000kg car starts from rest at the top of a 5.00m longdriveway that is sloped at an angle of 20 degrees with thehorizontal. find the speedof the car at the bottom of the drive way
An 8.05 kg mass moving east at 13.7 m/s on a frictionless horizontal surface collides with a 11.3 kg mass that is initially at rest. What is the angle relative to the east
Three resistors {R1 = 12.0 ?, R2 = 18.0 ?, and R3 = 36.0 ?} are connected in parallel, and in turn connected to a 70.0 V source with an internal resistance of 1.00 ?. What is the terminal potential of the source
Suppose that you want a totally internal reflected ray, should the ray go from the air to the liquid or vice versa? Determine the maximum angle for total internal reflection in this medium?
q1. determine currents i1 i2 and i3 r5 20 ohms. suppose the internal resistance of each battery is r 1.0.what is the
The suspension system of your 1200 kg car has a natural oscillation frequency of 2.00 Hz without functioning shock absorbers. The shock absorbers provide critical damping to the system. Along a worn section of concrete highway you notice concrete joi..
Light wavelength is 510 nm is directed at a double slit, where the distance between the slits is 450 micrometers. How far away is the second minimum from the central maximum
The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656 nm(red) and 486 nm (blue). What is the distance between the first-order red and blue fringes? (d=)
A skier traveling 11.0 m/s reaches the foot of a steady upward 18.0° incline and glides 13.2 m up along this slope before coming to rest. What was the average coefficient of friction?
A 3.0-kg block is pulled along a FRICTIONLESS surface with a force of 42N. Attached to that block with a light string is another 3.0-kg block. what is the tension in the string
The plates of a parallel-plate capacitor have a separation of 4.70mm , and each has an area of 13.4cm^2 . what is the potential difference between the plates
Moist air at 12oC and 80% R.H. enters a duct at a rate of 150 m3/min. The mixture is heated until it exits at 35oC. The pressure remains constant at 100 kPa. Determine (a) the rate of heat transfer, and (b) the relative humidity at the exit.
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