## Movement of two blocks

The 100 kg block in Figure P5.76 takes 6.0s to reach the floor after being released from rest. What is the mass of the block on the left? Solution of the example in word....

## Movement of a body thrown vertically

A stone is thrown vertically upward with a speed of 13.0 m/s from the edge of a cliff 90.0 m high (Fig. 2-32)             (a) How much later does...

## The mass is rotating in a horizontal circle

(a) A body of mass  kg is attached to a point by string of length 1.25 m. If the mass is rotating in a horizontal circle 0.75 m below the point of attachment, calculate...

## Find the output current two alternating currents

Two alternating current  i1 and i2 flow into a circuit node. The output current i is given by i1 + i2 . If  i1 = 5sin(50t+π/3), i2 = cos(50t) calculate the amplitude of  i...

## Find the characteristics of the elements of RLC circuit for AC

If an AC generator with Vt=150 sin(100πt) is connected to a series RLC circuit, where R = 40 Ω, L= 185 mH, and C=65µC connected in series. Find: the capacitive reactance, XC , the...

## Independent movement of two cars

Car A is travelling on the motorway at a constant speed of 100 km/h (27.8 m/s) and is at the entrance of an access ramp. Its motion is described by the equation y=27.8 in...

## Ideal blackbody emitter

If you had an ideal blackbody emitter at 300 degrees kelvin, what wavelength of light (in nanometers) would it emit? Solution of the example in word. 50 В корзину

## Find work and change the internal energy for the isobaric process

A gas is compressed at a constant pressure of 0.8 atm from 9.0L to 2.0L in the process, 400 J of energy leaves the gas via heat. (a) What is the work done ON...

## Find the change in the internal energy of the gas

An ideal gas does 3×10^3 J of work on the environment and absorbs 4×10^3 J of energy. (a) Find the change in internal energy of the gas. (b) If the internal energy increases by 2×10^3J,...

## Find work for the isobaric process

A gas cylinder is at a constant pressure of 1.3×10^5 Pa. If the piston has a radius of 10 cm, and is pushed down 3 cm, how much work is done: (a) ON the...

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