A train travelling at 50km/h approaches another train moving towards the first at 90km/h. If they are 35km apart (on a straight track) how long does it take before they meet?

According to Faraday's law, voltage can be changed by moving magnets away from the coil of wire. True False

A baseball player is stealing 2nd base when he goes into a slide, which gives him an acceleration of - 2.5 m/s^2. If he had an initial speed of 7 m/s, how far does he slide before coming to a complete stop?

Definir la dinamica de la ciencia

A child weighing 150 newtons is sitting in a swing. the swing is supported by two ropes, one on each side. what is the tension in one of the ropes?

Dimensional analysis worksheet Convert 3.42 g into kilograms

How do you get a resultant factor? A. Add two or more vectors B. Add two scalars C. Multiply two scalars D. Multiply two vectors

A panpipe is made of five pipes. The longest pipe is 25 centimeters long and the shortest is 5 centimeters long. Which of these pipe produces the highest-frequency sound and why?

Model rocket A is launched at an angle of 70° above the x axis, with an initial velocity of 40 m/s. An identical rocket B is launched under the same conditions at an angle of 90° above the x axis, also with an initial velocity of 40 m/s.

Why is it that when you throw a Frisbee, it flies better when it is normally thrown and not upside down?

Four blocks of weights are required using which any body whose weight is between 1kg and 40 kg can be weighed. Find the four weights