a car moves from a to b at a speed of 50km per hr and comes back from b to a at a speed of 30km per hour. find its average speed during the journey

Under which of the following conditions is the net force acting on a charged particle zero? when the particle is not charged when the particle is stationary when the particle moves parallel to the direction of the magnetic field all of the above

Which one of the following best illustrates a primary reinforcer? A. Money B. The sight of a chocolate meringue pie C. A warm smile from your boss D. Water when you're thirsty ... quest 15.

Consider two positively charged particles, one of charge q0 (particle 0) fixed at the origin, and another of charge q1 (particle 1) fixed on the y-axis at (0, d1,0). What is the net force F⃗ on particle 0 due to particle 1?

What 3 things are needed for an electric current

What should you do if the exercise schedule you make yourself is not working out well by midweek?

When considering different hypothesis usually the scientific explanation which can account for all the is

Similarities between mechanical and electromagnetic waves are

Suppose you're given the formula r = s 2t. if you know that s is three times greater than t, how could you rewrite the formula

A merry-go-round rotates with a centripetal acceleration of 15 m/s2. If the outer horses are 7 m from the center of the ride, what is their velocity? O A. 11.8 m/s O B. 10.2 m/s O O C. 9.6 m/s D. 8.4 m/s

Which is not a part of the walking mechanism of the human body? a rigid bar a fulcrum a resistance a gear