Stu wanted to calculate the resistance of a light bulb connected to a 4.0-V battery, with a resulting current of 0.5 A. He used the formula R = VI and obtained an answer of 2. Was Stu's answer correct? How do you know?

Vector V1-57 N at 30° above the positive x-axis. Write down the x and y-components of this vector. 5. Vector H has components H-15 N and Hy-25 N. What angle does this vector make with the x-axis?

Why is it important to have national security as a citizen of the united states?

Mark puts an object that has a mass of 58.2 kg in a cart that has a mass of 73.00 kg. How should Mark report the total mass to the correct number of significant figures? 131 kg, to have the same number of significant figures as 58.2 kg 131.

This is a massive ball of plasma that shines because of thermonuclear fusion in its core.

What is the mass of a 3.90-μCi 146C source? The half-life of 146C is 5730 yr.

What is the process in which the work of scientists is evaluated by other researchers? a. Scientific critique c. scientific inquiry b. Peer review d. Inquisition

A gust of wind blowing east pushes against a ball. When will the wind do work on the ball?

What is the emf of a battery that increases the electric potential energy of 0.060 CC of charge by 0.70 JJ as it moves it from the negative to the positive terminal?

Which of the following statements is true? A. Minerals can be solids or liquids B. Minerals can be elements or compounds C. Graphite and gold are examples of gemstones D. Triclinic crystals have more right angles than isometric crystals

Stu wanted to calculate the resistance of a light bulb connected to a 4.0-V battery, with a resulting current of 0.5 A. He used the formula R = VI and obtained an answer of 2. Was Stu's answer correct? How do you know?