what is the velocity of a car riding at 10 m/s after 4 seconds of experiencing a constant acceleration of 2 m/s? After these 4 seconds the car maintains a constant velocity. What is this velocity?

Aseries circuit consists of a resistor with r = 20 ? , a capacitor with c = 0.01 f, and a decaying battery with e = 300e? 5t. if the initial charge is 0, find the charge as a function of time t

Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant

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?