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Force and Motion
Page 8
Questions (1,712)
a car of mass 1214.5 kg is moving at a speed of 62.5 mph when it misses a curve in the road and hits a bridge filling. If althe
2 answers
asked by
Anonymous
230 views
A particle moves along line segments from the origin to the points (1, 0, 0), (1, 4, 1), (0, 4, 1), and back to the origin under
3 answers
asked by
35jigg
534 views
a uniform stick can be balanced on a knife edge 10cm from one end when a load of 200N is hung from that end . when the knife
4 answers
asked by
Christabel
429 views
PLEASE HELP
An object with a mass of 5.0 kg accelerates 8.0 m/ s2 when an unknown force is applied to it. What is the amount of
2 answers
asked by
Sabrina
1,306 views
Pleeeeeeaaase help me fast
A student vertically stands five books several inches apart in a row. She then pushes the first book
3 answers
asked by
Jeff
433 views
Find the acceleration of a box being pulled with an applied force of 320.0N at an angle of 30° from the horizontal. The µk
4 answers
asked by
trystan
556 views
how to determine the magnitude and direction of the resultant force (use scale of 10mm=50N)
4 answers
asked by
zamani
784 views
A lorry with a mass of 210 has a tractive resistance of 280N/t at a speed of 72km/h .calculate the distance covered in 36s and
3 answers
asked by
Johannes joseph
453 views
www.webassign.net/sercp9/4-p-047-alt.gifThe coefficient of static friction between the m = 3.60−kg
crate and the 35.0° incline
3 answers
asked by
Cameron
449 views
Can anyone please help me with this? : An electron of mass 9.11 x 10^-31 kg is accelerated by a constant force along the
3 answers
asked by
Anonymous
450 views
A rocket engine on a spacecraft of total mass 10,000kg ejected 1.4kg of hot gases every second at an average discontinuous speed
4 answers
asked by
Anonymous
1,126 views
Calculate the force acting on a body of mass 10 kg moving with a uniform velocity of 2m/s.
4 answers
asked by
Abidur
902 views
A baseball collides with a baseball glove. Which equation is used to calculate the force the glove exerts on the ball during the
10 answers
asked by
Gelo
102 views
A bungee jumper runs off a platform and falls 40m before his bungee cord begins to stretch. Once the bungee cord begins to
3 answers
asked by
A
566 views
A particle moves along line segments from the origin to the points (3, 0, 0), (3, 3, 1), (0, 3, 1), and back to the origin under
3 answers
asked by
Anon
1,443 views
A car is proceeding at a speed of 12.0 m/s when it collides with a stationary car in front. During the collision, the fist car
2 answers
asked by
Josh
626 views
A 73-ton monolith is transported on a causeway that is 2500 feet long and has a slope of about 2.2°. How much force parallel
3 answers
asked by
Lucy
990 views
The weight of a body on the surface of the earth is 392N .What will be the weight of this body on a planet whose mass is double
4 answers
asked by
Saranah
2,391 views
An astronaut exerts a 190-N force pushing a beam into place on the International Space Station. The beam accelerates at 0.14
3 answers
asked by
Anonymous
794 views
a force is applied to a body of mass 0.9 kgs that is at rest the force is applied for a duration of 5 sec and as a result the
2 answers
asked by
ruthwik
584 views
Cliff and Will are carrying a uniform 2.0m board of mass 75kg. Will is supporting the board at the end while cliff is 0.6m from
6 answers
asked by
Leslie
695 views
The force needed to keep a car from skidding on a curve varies jointly as the weight of the car and the square of its speed and
3 answers
asked by
mm
957 views
A child on a sled is sliding at a speed of 4m/s across level ice. if the total mass of the sled + child is 50kg and the sled has
2 answers
asked by
Roisin
703 views
A 1500 kg car is moving 18 m/s how much force is required to bring the car to a stop in 12 seconds
4 answers
asked by
Kyeanna
1,631 views
A mover has to move a heavy sofa of mass 146 kg to the second floor of the house. He uses a rope to pull the sofa up a ramp from
3 answers
asked by
Anna
1,448 views
The net force on a rock with a mass of 2.0kg is 19.6N. What is the acceleration of the rock?
4 answers
asked by
Liea
1,679 views
Before going into orbit, an astronaut has a mass of 55 kg. After some days in orbit, a measurement determines that a force of
3 answers
asked by
Koji Hasama
515 views
A tractor pulls a tree trunk across a horizontal piece of ground. If the force in a chain is 3000N and the chain forms an angle
3 answers
asked by
Anonymous
686 views
a net force of 100 newton's is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of
4 answers
asked by
john
1,729 views
a heavy metal chain of mass 0.60kg hangs over the edge of a table
a)when half the chain is hanging over the edge,what is the
2 answers
asked by
Richa
625 views
Explain the following quote:
... it was several weeks before an emigrant from Earth could adapt to it. On the Moon the human body
3 answers
asked by
Kimmy
881 views
A CRICKET BALL OF MASS 0.4kg MOVING WITH A VELOCITY OF 72km/h IS BROUGHT TO REST
BY A PLAYER . WHAT IS THE MAGNITUDE OF THE
2 answers
asked by
ATHU
1,268 views
the length of nylon rope from which a mountain climber is suspended has a force constant of 1.40*10^4. how much would this rope
3 answers
asked by
sara
918 views
A hammer with 10 J of kinetic energy hits a nail and pushes it 5.0 mm into a plank.
Both the hammer and nail come to rest after
4 answers
asked by
Anonymous
2,125 views
When a man, who weighs 650 N, stands on a particular trampoline, its springy surface shifts downward 0.1 m. If he bounces on it
5 answers
asked by
2,014 views
A 91.0 N grocery cart is pushed 17.1 m along an aisle by a shopper who exerts a constant horizontal force of 42.0 N. The
3 answers
asked by
k
524 views
An astronaut throws a wrench in interstellar space. How much force is required to keep the wrench moving continuously with
3 answers
asked by
lili
1,844 views
you push a friend on a sled your friend and the sled together have a mass of 70 kg if the net force is 33N what is the seld's
4 answers
asked by
Desha
1,021 views
car going 15 m/s is brought to a rest in a distance of 2.0 m as it strikes a pile of dirt. how much average force is exerted by
3 answers
asked by
tionne
906 views
The maximum force a grocery sack can withstand and not rip is 250 N. Calculate the greatest acceleration 20 kg of groceries can
4 answers
asked by
Sammy
2,263 views
Florence who weighs 120lb stands on a bathroom scale in an elevator. What will she see the scale read when the elevator is
3 answers
asked by
Joey
933 views
A student has just started pulling hard enough for a crate to start accelerating into motion. At that particular instant, what
3 answers
asked by
Rebecca
522 views
In a head-on collision, a car stops in 0.14{\rm s} from a speed of 24{\rm m}/{\rm s} . The driver has a mass of 67{\rm kg} , and
4 answers
asked by
Amanda
645 views
Three applied forces F1= 20N, F2= 40N and F3= 10N act on a crate with a mass of 2kg on an incline with θ = 30o, φ = 60o and
4 answers
asked by
user
1,160 views
The water skier there has a mass of 71.0 kg. Find the magnitude of the net force acting on the skier when (a) she is accelerated
2 answers
asked by
Anonymous
575 views
a car crashes into a wall at 25m/s and is brought to rest in .1seconds. Calculate the average force exerted on a 75kg test dummy
2 answers
asked by
Sarah
1,008 views
A baseball (m = 151 g) approaches a bat horizontally at a speed of 39.8 m/s (89 mi/h) and is hit straight back at a speed of
4 answers
asked by
Natasha
2,050 views
A man weighing 700 N lifts a 50.0 N object 2.0 m high. He uses a lever and with a force of 10.0 N. What is the resistance force
4 answers
asked by
Pat
2,779 views
A 2400-pound car exerts its maximum force of 750 pounds. What will be its minimum time needed to slow it down from 50 m/s to 10
3 answers
asked by
Princess
1,085 views
The brakes of a certain 2400 lb car can exert a maximum force of 750 lbs. What is the minimum time needed to slow the car down
3 answers
asked by
Hale
519 views
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