You measure your caloric expenditure to be 483J as you raise a 25kg object from the ground to a final height of 1.5m. What is your efficiency?

Player kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees at a speed of 26 m/s. what is the horizontal velocity component of the ball to the nearest tenth of a m/s?

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f

Two polarizers are oriented at 40∘ to each other and plane-polarized light is incident on them. if only 16 percent of the light gets through both of them, what was the initial polarization direction of the incident light?