An object moves along a coordinate line, its position at each time t≥0 is given by x (t) = 4t2t+1. Find the velocity at time t0=3.

What is the difference between muscular endurance and muscular strength? A) Muscular strength refers to the amount of force in one effort, while muscular endurance refers to performing repeated movements.

How are n type semiconductors and p type semiconductors alike. How are they different

A rock with mass of 5.0 kg is carried up a small hill 10 meters high. how much work had to be done in carrying the rock up hill? w = 490 j 4900 j 245 j impossible to tell because velocity not given

Limestone is an example of a chemical sedimentary rock. describe how limestone may form

The position of a certain airplane during takeoff is given by x=1/2 * bt2, where b = 2.0 m/s2 and t = 0 corresponds to the instant at which the airplane's brakes are released at position x = 0.

Element X has a mass number of 40 and an atomic number of 20, and element Y has a mass number of 56 and an atomic number of 26. Element X has more neutrons and fewer electrons than element Y. more neutrons and electrons than element Y.

How does mass affect average speed?

Object A attracts object B with a gravitational force of 10 newtons from a given distance. If the distance between the two objects is doubled, what is the changed force of attraction between them? A. 2.5 newtons B. 5 newtons C. 20 newtons D.

A small particle starts from rest from the origin of an xy-coordinate system and travels in the xy-plane. Its acceleration in the x-direction is 2.0 m/s2, and its acceleration in the y-direction is 1.0 m/s2.

What is a circuit, s resistance if 12v produces 2A of current?