In a repair shop a truck engine that has mass 401 kg is held in place by four light cables (Figure 1). Cable A is horizontal, cables B and D are vertical, and cable C makes an angle of 37.1∘ with a vertical wall. Tension in cable A is 769 N . What is the tension in cable B ?
Express your answer with the appropriate units.
tb=

What is the tension in cable C ?
Express your answer with the appropriate units.
tc=

Explain why the aperture of the spherical mirror should be small compared to the radius of curvature of the mirror.

What is the magnification of a real image if the image is 10.0 cm from a mirror and the object is 50.0 cm from the mirror ? use the equation m=-di/do. a. -5.0 b. 5.0 c. 0.20 d. -0.20

Animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. reactivate d) a dog is getting hot in the sunlight, so he moves to a shaded area.