Factor each expression.

a. d2 + 8d + 7

Which of the following properties of an object determines its terminal velocity when the object falls toward the Earth? a. shape b. weight c. mass d. density

Which ball will require the most force to lift?

What is an electromagnetic wave with a wavelength between. 3 and 30 cm long?

Mass*acceleration of a triangle = force

A ball is released at the top of a ramp at t = 0. which is the speed of the ball at t=4

What best describes the angle between a changing electric field and the electromagnetic wave produced by it? 1. always equal to a right angle 2. always less than a right angle 3. varies from parallel to perpendicular 4.

Which data set has the smallest standard deviation? A. 1,6,19,20,85,29,0 B. 22,22,23,23,22,22,23 C. 6, 7, 6, 7, 1004, 980, 350 D. 99, 199, 299, 55, 44,33, 22

To calculate the specific heat capacity of some liquid, we have poured 235 g of water at a temperature of 18.0°C into 250 g of this liquid at a temperature of 27.0 °C in a calorimeter with a heat capacity of 210 J/K. The temperature stabilized at 20.

How do you reduce friction

3. A 16 kg barrel is lifted up by a rope. The barrel accelerates at 1.4 m/s2. Find the force exerted by the rope. Show all your work. Answer: