Find the rate of change of a magnetic field
A coil has 150 turns and each turn encloses an area of 1.0 m2. Determine the rate of change of a magnetic field parallel to the axis of the coil in the induce a...
Find the rate of change of a magnetic field
Find the magnitude and direction of the Coriolis acceleration
An aeroplane flies due east along the equator with a speed of 300 ms−1. Determine the magnitude and direction of the Coriolis acceleration. Solution of the example in word. 100 В корзину
Find the electric force
Two positive charges each 4.18μC, and negative charge -6.36μC,are fixed at vertices of an equilateral triangle of side 13cm. Find the electric force on the negative charge. Solution of the example in word. 100...
Моделирование радиоактивного распада
Моделирование радиоактивного распада 1. Дайте ответы на такие вопросы 1) Запишите математически закон радиоактивного распада. Запишите название физических величин, которые входят в формулу. 2) Что называется периодом полураспада? 3) Почему закон радиоактивного распада называют...
The work need to do, to spin block over the edge
10 kg block, with 20 cm × 20 cm × 40 cm sides, is laying down on it’s shortest edge. How much work (A) do we need to do, to spin it over the...
Find the velocity of the wind relative to the water
The velocity of the wind relative to the water is crucial to sailboats. Suppose a sailboat is in an ocean current that has a velocity of 2.01 m/s in a direction 25.10 east of...
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...
