1. a 1,000-kg car has 50,000 joules of kinetic energy. what is its speed?

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

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?

While the change in blank will remain the same during a collision, the force needed to bring an object to a stop can be blank if the time if collision is blank