4. A sprinter is running at a speed of 8 m/sec. She starts her final. push" and over a period of 2.5 seconds she increases her speed to 12 m/s.
What is her acceleration?

An object is located 30.0 cm from a concave mirror. the focal length is 15.0 c,. what is the image distance? a. 30.0 cm b. -10 cm c. 10.0 cm d. -30.0 cm

The a992 steel rod bc has a diameter of 50 mm and is used as a strut to support the beam. determine the maximum intensity w of the uniform distributed load that can be applied to the beam without risk of causing the strut to buckle. take f.s. = 2 against bucklin

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical