A vector, B, when added to the vector C=3î+4j yields a resultant vector which is in the positive y direction and has a magnitude equal to that of vector C. What is the magnitude of B?

If a sphere and a cure have the same mass and are propelled up a ramp with the same force, which would travel father up the ramp? explain.

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer