A car traveling 51.0 km/h is 27.7 m from a barrier when the driver slams on the brakes. the car hits the barrier 3.48 s later. (a) what is the car's constant deceleration magnitude before impact? (b) how fast is the car traveling at impact?

Why are red stars cooler than blue stars?

Which of these BEST describes the motion of atoms in solid iron as it melts?

What does an epidemiologist do? (write it in your own words)

In the Niagara Falls hydroelectric generating plant, the energy of falling water is converted into electricity. The height of the falls is about 48 meters.

A police officer is called to the scene of a car accident in his accident he sketches the scene and describes it according to his description the car went off of the road and hit a tree right after a bend the driver claimed that a second car ran

Which stage of the cells cycle involves the division of the cells nucleus? A. mitosis B. cytokinesis C. interphase D. replication

What is clean Cole technology

Blank is how high or low you think a sound is

A washing machine is plugged into a wall outlet that has voltage of 240 volts. The total resistance present in the machine's wiring is 12 ohms. What current runs through this current

Sarah is sitting at the top of the slide in the school's playground. Which of the following changes will increase Sarah's kinetic energy? A An additional child is added to the top of the slide. B Sarah is pushed and moves down the slide.