What is the direction of the force for a positive charge moving to the left with a magnetic field in the upward direction? out of the screen into the screen

A train is accelerating at a rate of 2 m/s. If it's initial velocity is 20 m/s, what is its velocity after 30 seconds?

How do scientists test for plate tectonics?

During engine cranking the engine should make a rhythmic sound.

Which will produce a magnetic field? any wire with or without a current a wire formed into a coil a wire carrying a current a wire formed into a single loop

Two parallel plates are 1 cm apart and are connected to a 500 V source. What force will be exerted on a single electron half way between the plates?

The force in Newtons on a particle directed along the x-axis is given by F (x) = exp ( - (x/5) + 5) for x≥0 where x is in meters. The particle is constrained to move along the x-axis.

What are electromagnetic waves? what are its characteristics? how do we classify them?

A gas is collected from a radioactive material; upon inspection, the gas is identified as helium. The presence of the helium indicates the radioactive sample is most likely decaying by: A). alpha B). beta + C). beta - D). gamma

Is 30 minutes to nine the same as 30 minutes after 8 in life

In a car changes its philosophy from 32 km/hour to54 km/hour in 8.0 seconds, what is its acceleration?