A 110 kg mail bag hangs by a vertical rope 3.8 m long. A postal worker then displaces the bag to a position 1.8 m sideways from its original position, always keeping the rope taut. Part A What horizontal force is necessary to hold the bag in the new position

When many atoms are split in a chain reaction, a large explosion occurs. this is an example of what type of energy conservation

Amodel rocket with a mass of 0.212 kg is launched into the air with an initial speed of 84 m/s. how much kinetic energy will the rocket have at a height of 214 m? assume there is no wind resistance. 634 j 303 j

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