Wire A carries 4 A into a junction, wire B carries 5 A into the same junction, and another wire is connected to the junction. What is the current in this last wire?

Singly charged uranium-238 ions are accelerated through a potential difference of 2.90 kV and enter a uniform magnetic field of magnitude 1.29 T directed perpendicular to their velocities. (a) Determine the radius of their circular path.

How would you determine how much error there is between a vector addition and the real results

Ashlee pours some quantity of orange juice in a glass. She accidentally breaks the glass and juice spills all over the floor. Which characteristic of the juice will change? A. mass B. State C. Shape D. Volume

Why do we say energy is the ability to do work

A child does 350J of work while pulling a box from the ground up to his tree house with a rope. The tree house is 5.2 m above the ground. What is the mass of the box? A) 4.1 kg B) 6.9 kg C) 6.2 kg D) 5.2 kg

2. Which graph shows a possible voltage profile over time for a 12 V lantern battery as it provides power to a bank of electric lights?

How would you describe the interaction between opposite (N-S or S-N) magnetic pols?

Which of the following sequences correctly identifies the orders of the lobes of the cortex from anterior to posterior?

How much heat is needed to raise the temperature of 5g of water by 18°C

Light acts like? a particle only. both a wave and a particle. a wave only. neither a wave nor a particle.