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In scuba diving, a regulator is used so that the pressure of the air the diver breathes is close to that of the ambient water. A
4 answers
asked by
Emily
1,936 views
an object weighs 528.0 Newton. It is being pushed along a horizontal surface by a 475.0-Newton force. Determine the mass of the
5 answers
asked by
Michael
3,888 views
An ore sample weighs 15.00 N in air. When the sample is suspended by a light cord and totally immersed in water, the tension in
4 answers
asked by
Happinessdelight
1,806 views
An 70 kg man drops from rest on a diving
board 3.2 m above the surface of the water and comes to rest 0.57 s after reaching the
5 answers
asked by
692 views
A projectile is fired with an initial speed of 32.5 m/s at an angle of 61.4° above the horizontal. The object hits the ground
2 answers
asked by
JJ
937 views
A projectile is fired with an initial speed of 32.5 m/s at an angle of 61.4° above the horizontal. The object hits the ground
1 answer
asked by
JJ
376 views
A 0.15 kg ball of dough is thrown straight up into the air with an initial velocity of 13 m/s.
(a) Find the momentum of the of
4 answers
asked by
britt
1,736 views
A 3.6-kilogram block sliding down a ramp from a height of 4.6 meters above the ground reaches the ground with a kinetic energy
1 answer
asked by
Purti
423 views
Orville walks 270 m due east. He then continues walking along a straight line, but in a different direction, and stops 230 m
2 answers
asked by
Unknown
812 views
Given: G = 6.67259 × 10−11 Nm2/kg2
The acceleration of gravity on the surface of a planet of radius R = 3430 km is 4.43
4 answers
asked by
anonymous
1,257 views
Two blocks are connected by a massless cord and are being pulled to the right by an external force F. They are accelerating at 2
1 answer
asked by
Katie
414 views
A horizontal force of 10 N is applied to the outer edge of a door at an angle of 32° to the door, as shown in a view from the
3 answers
asked by
Spencer
1,056 views
IMAGINE- a building 6400km. high. On the ground floor, a person weighs 175lbs when he steps on a spring scale how much would the
3 answers
asked by
Anonymous
454 views
A diver leaves a 3m board on a trajectory that takes her 2.5m above the board and then into the water a horizontal distance of
3 answers
asked by
Helpless
919 views
An air mattress is 2.36 m long, 0.640 m wide, and 12.2 cm deep. If the air mattress itself has a mass of 0.252 kg, what is the
2 answers
asked by
EMM
802 views
A 8.52 -kg block of metal is suspended from a scale and immersed in water as in Figure P9.30. The dimensions of the block are
2 answers
asked by
EMM
545 views
A 8.52 -kg block of metal is suspended from a scale and immersed in water as in Figure P9.30. The dimensions of the block are
2 answers
asked by
Emily
1,196 views
0.115 kg of water at 81.0o C is poured into an insulated cup containing 0.220 kg of ice initally at 0o. Calculate the mass of
2 answers
asked by
Emma
940 views
An object of mass 154 kg moves in a smooth straight tunnel of length 2990 km dug through a chord of a planet of mass 3.19 ×
1 answer
asked by
michelle
388 views
The quantity of heat that changes the temperature of a mass of a substance is given by , where is the specific heat capacity of
2 answers
asked by
Erica
562 views
A 3.0 g coin moving to the right at 27.0 cm/s makes an elastic head-on collision with a 20.0 g coin that is initially at rest.
2 answers
asked by
Sara
560 views
At a certain point in a pipeline the water's speed is 4.00 m/s and the gauge pressure is 5.00 x 10^4 Pa. Find the gauge pressure
2 answers
asked by
Happinessdelight
917 views
The piston of hydraulic automobile lift is 0.30 m in diameter. Calculate the gauge pressure required to lift a car with a mass
2 answers
asked by
Happinessdelight
1,237 views
Find the gauge pressure in pascals in a soap bubble 0.04 m in diameter. The surface tension is 25.0 x 10^4 Pa.
4 answers
asked by
Happinessdelight
1,319 views
