How did the work of several scientists contribute to the invention of the electromagnet?

Which landform rises abruptly from its surroundings and has a rounded or sharp peak? hill mountain plains plateau

A 0.495 kg bird pushes itself upward with a 7.28 N force. Including its weight, what is the total force acting on the bird? (Unit=N)

The speed of a bobsled is increasing because it has an acceleration of 2.0 m/s2. At a given instant in time, the forces resisting the motion, including kinetic friction and air resistance, total 450 N.

Which of the following occurs as a light wave bends when it passes from one medium into another? A. constructive interference B. Refraction C. destructive interference D. reflection

How much time is needed to push a 5,000 N car 50 meters if you are using a machine with a power of 4,500 W?

A race car starts from rest and speed up uniformly to the right until it reaches a maximum velocity of 60m/s in 15 sec

The magnitude of a velocity vector is called speed. suppose that a wind is blowing from the direction n45°w at a speed of 40 km/h. (this means that the direction from which the wind blows is 45° west of the northerly direction.

The y component of the electric field of an electromagnetic wave traveling in the + x direction through vacuum obeys the equation Ey = (375 N/C) cos[kx - (2.20 * 1014 rad/s) t]. What is the wavelength of this electromagnetic wave? (c = 3.

The work of Subrahmanyan Chandrasekhar is likely to have been most influenced by the work of which of the following scientists? A. Albert Einstein B. Edwin Hubble C. Marie Sklodowska-Curie D. Lord Kelvin

Explain why it's important that the alveoli is only 1 cell thick