A car accelerates from 0-30m/s in 5 s. It has a mass of 1200kg. What force does the engine produce? * A) 36000N
B) 7200N
C) 60000N
D) 2000N
include explanation please

Apair of 10μf capacitors in a high-power laser are charged to 1.7 kv.a. what charge is stored in each capacitor? b. how much energy is stored in each capacitor?

If y gets smaller as x gets bigger and y have an relationship?

Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?