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Physics - Mechanics - Buoyant ForceAn undersea research chamber is spherical with an external diameter of 5.40 m. The mass of the chamber, when occupied, is 70400 kg. It is anchored to the sea bottom by a cable. Calculate the following.(a) the buoyant force on the chamber N(b) the tension in the cable N
Take the initial direction of motion to be the positive direction. (Indicate the direction of the acceleration by the sign of your reply.)
A 65kg person throws a 0.0410 kg snowball forward with a ground speed of 28.0 m/s. A second person, with a mass of 60kg, catches the snowball. Both people are on skates.
find the velocity of their center of mass before the collision.
An alpha particle (m = 6.7 ´ 10-27 kg, q = +3.2 ´ 10-19 C) has a speed of 20 km/s at point A and moves to point B where it momentarily stops. Only electric forces act on the particle throughout this motion. Find out an electric potential difference V..
In a head-on collision, a car stops in 0.29 {s} from the speed of 28 {m/s}. The driver has a mass of 78 {kg}, and is, fortunately, tightly strapped into his seat. what force is applied to driver during that fraction of a second.
How many electrons are there in a tablespoon. Find the tension in each cable. right cable and left cable.
What is the apparent weight of a 75 kg astronaut.
However, as the drawing shows, a plane mirror reflects light from the bird into your camera. If x = 4.2 m and y = 3.9 m in the drawing, for what distance must you set focus of the camera lens in order to snap a sharp picture of the bird's image.
A spotlight is coated so that it won't transmit magenta light from its white-hot filament. What colour emerges from coated spotlight.
A stone is dropped into a river from a bridge 43.90 m above the water. Another stone is thrown vertically down 1.00 after the first is dropped. The stones strike the water at the same time.
What is the magnitude of the apparent weight of an 80-kg astronaut 5200-km from the center of the Earth's Moon in a space vehicle moving at constant velocity.
What is the mass of the liquid in the vat.
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