Physics, 23.10.2020 20:10 Callmetay24
A science class performed three investigations that each used several balls with different masses. The table below describes the
procedures used and the conclusions reached during these investigations.
Force Investigations
Investigation
Procedure
Conclusion
1
Measure the force required to cause each ball at rest to The greater the mass, the greater the force required
begin to move
to move the ball
Measure the force required to cause each ball to slow
2
The greater the mass, the greater the force required
down and stop while it is moving at 1 m/s.
to stop the ball
3
Measure the force required to cause each ball to change The greater the mass, the greater the force required
direction while it is moving at 1 m/s.
to change the direction of the ball.
Which statement best explains the conclusions reached during the investigations?
OA. An object will travel only in certain directions depending upon its mass.
B. An object with greater speed has a greater resistance to changes in motion
C. An object with greater mass has a greater resistance to changes in motion
OD. An object with greater mass has less resistance to changes in motion
Answers: 3
Physics, 21.06.2019 15:10
Four objects are being tested to see how they are affected by fluid friction. object w has a surface area of 4.5 cm2, object x has a surface area of 2.5 cm2, object y has a surface area of 6.2 cm2, and object z has a surface area of 3 cm2. which object would experience the most fluid friction?
Answers: 3
Physics, 21.06.2019 22:30
A-4.60 μc charge is moving at a constant speed of 6.80×105 m/s in the +x−direction relative to a reference frame. at the instant when the point charge is at the origin, what is the magnetic-field vector it produces at the following points.
Answers: 3
Physics, 22.06.2019 17:50
If there's a small amount of friction between two surfaces, the result could be select all that applya. no movement b. heatc. a little bit of movementd. sliding around
Answers: 2
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