Questions from College Physics

Q: (a) One of the fastest land animals of North America

(a) One of the fastest land animals of North America is the pronghorn antelope. (a) If a pronghorn antelope accelerates from rest in a straight line with a constant acceleration of 1.7 m/s2, how much...

Q: Veronique is nearsighted; she cannot see clearly anything more than 6

Veronique is nearsighted; she cannot see clearly anything more than 6.00 m away without her contacts. One day she doesn't wear her contacts; rather, she wears an old pair of glasses prescribed when sh...

Q: Is it possible for a skin diver to dive to any depth

Is it possible for a skin diver to dive to any depth as long as his snorkel tube is sufficiently long? (A snorkel is a face mask with a breathing tube that sticks above the surface of the water.)

Q: In a plate glass factory, sheets of glass move along a

In a plate glass factory, sheets of glass move along a conveyor belt at a speed of 15.0 cm/s. An automatic cutting tool descends at preset intervals to cut the glass to size. Since the assembly belt m...

Q: A sailboat sails from Marblehead Harbor directly east for 45 nautical miles

A sailboat sails from Marblehead Harbor directly east for 45 nautical miles, then 60° south of east for 20.0 nautical miles, east for 30.0 nautical miles, 30° east of north for 10.0 nautical miles, an...

Q: Five converging lenses are used as simple magnifiers. In each case

Five converging lenses are used as simple magnifiers. In each case, the focal length f and the distance between the lens and the object p are given. Rank them in order of the angular magnification, gr...

Q: An insect that is 5.00 mm long is placed 10

An insect that is 5.00 mm long is placed 10.0 cm from a simple magnifier with a focal length of 12.0 cm. (a) What is the position of the image? (b) What is the size of the image? (c) Is the image u...

Q: The intensity of solar radiation that falls on a detector on Earth

The intensity of solar radiation that falls on a detector on Earth is 1.00 kW/m2. The detector is a square that measures 5.00 m on a side and the normal to its surface makes an angle of 30.0 with resp...

Q: (a) What is the focal length of a magnifying glass

(a) What is the focal length of a magnifying glass that gives an angular magnification of 8.0 when the image is at infinity? (b) How far must the object be from the lens?

Q: The leg bone (femur) breaks under a compressive force of

The leg bone (femur) breaks under a compressive force of about 5 × 104 N for a human and 10 × 104 N for a horse. The human femur has a compressive strength of 160 MPa, whereas the horse femur has a co...