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Banya
Questions (33)
A football is kicked with a speed of 18 m/s at an angle of 65° to the horizontal. What are the respective horizontal and
1 answer
70 views
Two forces act on a 4.5 kg block resting on a frictionless surface as shown in the Figure. What is the magnitude of the
1 answer
114 views
Two forces act on a 4.5 kg block resting on a frictionless surface as shown in the Figure. What is the magnitude of the
1 answer
79 views
A projectile fired from a gun has initial
horizontal and vertical components of velocity equal to 30 m/s and 40 m/s,
1 answer
72 views
A gardener pushes a lawn roller through a distance of 20 m. If he applies a force of 20 N in a direction inclined at 60° to the
1 answer
84 views
Two cars collide head-on. At every moment during the collision, the magnitude of the force the first car exerts on the second is
1 answer
48 views
Pual throws a ball straight up. For which situation is the vertical velocity zero?
• None of the above • At the top • All
1 answer
54 views
A 0.075 kg
arrow is fired horizontally. The bowstring exerts an average force of 65 N on the arrow over a distance of 0.90 m.
1 answer
62 views
Figure below act on an object.
What fourth must act on the object so that the object does not accelerate? T54D_ -3 4 Fx (N) 7.02
1 answer
39 views
The catapult
used by the marauders hurls a stone with a velocity of 50.0 m/s at a 30.0° angle of elevation as shown in the
1 answer
54 views
A football is kicked at an angle e with respect to the horizontal.
Which one of the following statements best describes the
1 answer
40 views
A placekicker kicks a football at initial speed of 22.2 m/s at an angle of 40.0°above the horizontal as shown in the figurer
1 answer
68 views
Which one of the following choices is an example of a conservative force?
• tension • motor propulsion force • static
1 answer
65 views
A stone is thrown at an angle of 30° above the horizontal from the edge of a cliff with an initial speed of 12 m/s. A stopwatch
1 answer
84 views
A stone is thrown at an angle of 30° above the horizontal from the edge of a cliff with an initial speed of 12 m/s. A stopwatch
1 answer
73 views
The drawing shows box 1 resting on a table, with box 2 resting on top of box 1. A massless rope passes over a massless,
1 answer
78 views
The drawing shows box 1 resting on a table, with box 2 resting on top of box 1. A massless rope passes over a massless,
1 answer
60 views
Determine the power output of a 2.0 g bee walking straight up a windowpane at 3.4 cm/s.
• No option is correct 00.67 mW •6.2
1 answer
42 views
A ball is thrown at an angle of 37° to the horizontal. What happens to the magnitude of the ball's vertical acceleration during
1 answer
48 views
A baseball thrown from the outfield is released from shoulder heigh at an initial velocity of 29.4 m/s at an initial angle of
1 answer
50 views
If you exert a force F of an object, the force which the object exerts on you will
O Depend on whether or not the object is
1 answer
56 views
A gymnast is swinging on a high bar. The distance between his waist and the bar is 1.1 m, as the drawing shows. At the top of
1 answer
86 views
A gymnast is swinging on a high bar. The distance between his waist and the bar is 1.1 m, as the drawing shows. At the top of
1 answer
79 views
A stone is thrown at an angle of 30° above the horizontal from the edge of a cliff with an initial speed of 12 m/s. A stopwatch
1 answer
93 views
A 60 kg man is standing on the 35 kg high table which is at rest on a horizontal floor. Determine the magnitude of the normal
1 answer
55 views
A 60 kg man is standing on the 35 kg high table which is at rest on a horizontal floor. Determine the magnitude of the normal
1 answer
48 views
In which situation is there zero net work done?
O A child pulls a wagon across a rough surface causing it to accelerate. None of
1 answer
61 views
Which one of the following is not a unit of energy?
• Calorie • Newton metre • Kilowatt hour • Joule • Watt
1 answer
35 views
Which one of the following is not a unit of energy?
1 answer
45 views
In the absence of an external force, a moving object will
1 answer
48 views
An object is on a frictionless inclined plane. The plane is inclined at an angle of 30° with the horizontal. What is the
1 answer
63 views
A shot-putter puts a shot (weight =
71.1 N) that leaves his hand at a distance of 1.52 m above the ground. Find the work done by
1 answer
97 views
The displacement of a particle with a mass of 325 g depends on time and is described by the function
x(t) = -6.0t3 + 4.0t2 - 13.
1 answer
76 views
Answers (1)
What"s the formula used in 5/90 lotto system?
