Q7) The coefficient of kinetic friction between the ground and a sled is 0.25. If the sled's mass is 8.0 kg. how much force is required to move the sled at a constant velocity? a) 2.0 N b) 20 N c) 320 N QS) Constant force F-(i+4k) N acts on 2 kg object moved it displacement r(2i+3j-4k) m Work done by the force on object is: a) 11 J b)-11 J c)-14 J d) 14 J e) zero Q9) Person of 80 kg lifting himself by thread (J) 8m upward in 10 second, the average power In watt is: a) 640 b) 64 c) 6400 d) 6.4 e) none Q10) An object with initial speed of 6 m/s slides a distance of 9 m before coming to rest on a rough horizontal surface. The kinetic coefficient friction is: a) 0.12 b) 0.2 c) 123.2 d) 0.73 e) 0.49 Q11) A boy of mass 40 Kg skies down a 20 m high bill if the friction force is not negligible and the speed in the bottom is 10m/sec, how much work is done by frictional force: a)-102203 b)-7300J c)-8760J Q12) Amass of 35 kg is acted on by two forces: force F, is 30 N to cast and force F; is 24 N to the magnitude of the acceleration in (m/s²) is: a) 1.1 b) 4.1 c) 2.7 d) 3.5 Q13) If a-3.0 mm, b-4.0 mm, 21--60 aC, 22-80 mC, and q-30 nC in the figure, the magnitude of the total electric force on q? a) 14 N b) IN c) 1.7 N d) 2 N e) 0.5 N b) 4x 10" d)-5840 e) 0,8 e) 2x 10¹¹ d) 32 N Q14) An object is determined to have a negative charge of 48 aC. The object has an excess of electrons equal: a) 3×10¹¹ d) 5 x 10" north.
Q7) The coefficient of kinetic friction between the ground and a sled is 0.25. If the sled's mass is 8.0 kg. how much force is required to move the sled at a constant velocity? a) 2.0 N b) 20 N c) 320 N QS) Constant force F-(i+4k) N acts on 2 kg object moved it displacement r(2i+3j-4k) m Work done by the force on object is: a) 11 J b)-11 J c)-14 J d) 14 J e) zero Q9) Person of 80 kg lifting himself by thread (J) 8m upward in 10 second, the average power In watt is: a) 640 b) 64 c) 6400 d) 6.4 e) none Q10) An object with initial speed of 6 m/s slides a distance of 9 m before coming to rest on a rough horizontal surface. The kinetic coefficient friction is: a) 0.12 b) 0.2 c) 123.2 d) 0.73 e) 0.49 Q11) A boy of mass 40 Kg skies down a 20 m high bill if the friction force is not negligible and the speed in the bottom is 10m/sec, how much work is done by frictional force: a)-102203 b)-7300J c)-8760J Q12) Amass of 35 kg is acted on by two forces: force F, is 30 N to cast and force F; is 24 N to the magnitude of the acceleration in (m/s²) is: a) 1.1 b) 4.1 c) 2.7 d) 3.5 Q13) If a-3.0 mm, b-4.0 mm, 21--60 aC, 22-80 mC, and q-30 nC in the figure, the magnitude of the total electric force on q? a) 14 N b) IN c) 1.7 N d) 2 N e) 0.5 N b) 4x 10" d)-5840 e) 0,8 e) 2x 10¹¹ d) 32 N Q14) An object is determined to have a negative charge of 48 aC. The object has an excess of electrons equal: a) 3×10¹¹ d) 5 x 10" north.
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physics, Quickly please solve queeeeestion 10
![Q7) The coefficient of kinetic friction between the ground and a sled is 0.25. If the sled's mass is 8.0
kg. how much force is required to move the sled at a constant velocity?
a) 2.0 N
b) 20 N
Q8) Constant force F-(i+4k) N acts on 2 kg object moved it displacement r-(2i+3j-4k) m
Work done by the force on object is:
a) 11 J
b)-11 J
c)-14 J
d) 14 J
e) rero
Q9) Person of 80 kg lifting himself by thread (de) 8m upward in 10 second. the average power
In watt is:
a) 640
b) 64
c) 6400
d) 6.4 e) none
Q10) An object with initial speed of 6 m/s slides a distance of 9 m before coming to rest on a rough
horizontal surface. The kinetic coefficient friction is:
a) 0.12
b) 0.2
c) 123.2
d) 0.73
e) 0.49
Q11) A boy of mass 40 Kg skies down a 20 m high hill if the friction force is not negligible and the speed
in the bottom is 10m/sec, how much work is done by frictional force:
a)-102203
b)-7300J
c)-8760J
c) 320 N
d) 3.5
Q12) Amass of 35 kg is acted on by two forces: force F, is 30 N to cast and force F; is 24 N to
the magnitude of the acceleration in (m/s) is:
a) 1.1
b) 4.1
c) 2.7
Q13) If a 3.0 mm, b-4.0 mm, 21-60 nC, 22-80 nC,
and q-30 nC in the figure, the magnitude of the total electric
force on q?
a) 1.AN
b) IN
c) 1.7 N
d) 2 N
e) 0.5 N
b) 4x 10"
d)-5840
e) 2 x 10"
e) 0,8
20-
d) 32 N
Q14) An object is determined to have a negative charge of 48 nC. The object has an excess of
electrons equal:
a) 3 × 10¹¹
d) 5 x 10¹
north.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb549c6ce-49ed-4558-8c68-83d4a1912e21%2F3c6c526c-ab47-4f02-b6f3-ad31cf1c0ee9%2Fwe2ad39_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q7) The coefficient of kinetic friction between the ground and a sled is 0.25. If the sled's mass is 8.0
kg. how much force is required to move the sled at a constant velocity?
a) 2.0 N
b) 20 N
Q8) Constant force F-(i+4k) N acts on 2 kg object moved it displacement r-(2i+3j-4k) m
Work done by the force on object is:
a) 11 J
b)-11 J
c)-14 J
d) 14 J
e) rero
Q9) Person of 80 kg lifting himself by thread (de) 8m upward in 10 second. the average power
In watt is:
a) 640
b) 64
c) 6400
d) 6.4 e) none
Q10) An object with initial speed of 6 m/s slides a distance of 9 m before coming to rest on a rough
horizontal surface. The kinetic coefficient friction is:
a) 0.12
b) 0.2
c) 123.2
d) 0.73
e) 0.49
Q11) A boy of mass 40 Kg skies down a 20 m high hill if the friction force is not negligible and the speed
in the bottom is 10m/sec, how much work is done by frictional force:
a)-102203
b)-7300J
c)-8760J
c) 320 N
d) 3.5
Q12) Amass of 35 kg is acted on by two forces: force F, is 30 N to cast and force F; is 24 N to
the magnitude of the acceleration in (m/s) is:
a) 1.1
b) 4.1
c) 2.7
Q13) If a 3.0 mm, b-4.0 mm, 21-60 nC, 22-80 nC,
and q-30 nC in the figure, the magnitude of the total electric
force on q?
a) 1.AN
b) IN
c) 1.7 N
d) 2 N
e) 0.5 N
b) 4x 10"
d)-5840
e) 2 x 10"
e) 0,8
20-
d) 32 N
Q14) An object is determined to have a negative charge of 48 nC. The object has an excess of
electrons equal:
a) 3 × 10¹¹
d) 5 x 10¹
north.
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