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Dynamics
Page 7
Questions (1,163)
A lost shipping container is found resting on the ocean floor and completely submerged. The container is 5.4 m long, 2.3 m wide,
2 answers
asked by
Astro
568 views
A person weighs 150 pounds. He is standing on a scale in an elevator and stands on a scale. The elevator is accelerating upwards
3 answers
asked by
Not telling you
1,186 views
Sophia exerts a steady 40-N horizontal force on a 8-kg
box resting on a lab bench. The box slides against a horizontal friction
2 answers
asked by
alex
503 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
Find the total force necessary to give a rocket of mass 25,000 slugs an acceleration of 28.0 ft/s2.
1 answer
asked by
Dan
440 views
two masses are attached to both ends of a flexible cord passing through a friction less pulley. if the system is at rest, find
3 answers
asked by
Kzsa
765 views
A bullet travelling with velocity of 100 ms-1 pierces a block of wood and moves with a velocity of 10 ms-1 . If the thickness of
4 answers
asked by
Ram
2,191 views
A 0.0200 kg bullet moving horizontally at 500 m/s embeds itself into an initially stationary 0.500 kg block.
(a) What is their
2 answers
asked by
Amy
1,195 views
A car is stopped for a traffic signal. When the light turns green, the car accelerates, increasing its speed from 0 to 5.85 m/s
3 answers
asked by
Anonymous
684 views
A truck of mass 13,100 kg is acted upon by a driving force of 8900 N. The motion is opposed by a frictional force of 2230 N.
3 answers
asked by
Tom
1,028 views
While moving in, a new homeowner is pushing a box across the floor at a constant velocity. The coefficient of kinetic friction
3 answers
asked by
Anonymous
1,044 views
A block,mass 20kg,is pulled upwards by a force F along a plane inclined at 30 degree to the horizontal.it accelerate along the
3 answers
asked by
Kenneth
860 views
A stone is aimed at a cliff of height h with an initial speed of v = 64.0 m/s directed 55.0° above the horizontal, as shown in
2 answers
asked by
Julia
646 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
523 views
A 2561-kg van runs into the back of a 823-kg compact car at rest. They move off together at 8.5 m/s. Assuming the friction with
4 answers
asked by
Anonymous,
1,437 views
a boat of mass 90 kg is floating in still water a body of mass 30 kg walks from the stern to the boat the length of the boat is
3 answers
asked by
sony
1,745 views
A boat is pulled into a dock by a rope attached to the bow of the boat and passing through a pulley on the dock that is 1 m
3 answers
asked by
kela
1,195 views
Two 12.0 kg boxes are connected by a massless string that passes over a massless frictionless pulley as shown above. The boxes
4 answers
asked by
arcos15
942 views
A golf ball of mass 0.05 kg is struck by a golf club of mass m kg with a speed of 50m/s will have an initial speed of
2 answers
asked by
Corey
1,241 views
You pull a 18 kg sled across the floor with a strap that is at an angle of 40° above the horizontal with a force 86 N. Find the
3 answers
asked by
christina
388 views
A pair of masses are attached by a string that runs over a pulley. The larger mass is on a frictionless incline that makes an
4 answers
asked by
Jay
523 views
A 59.1 kg ice skater, moving at 13.3 m/s, crashes into a stationary skater of equal mass. After the collision, the two skaters
3 answers
asked by
Anonymous
434 views
Take the radius of the earth at the equator to be 6380 km
a. Find the speed the speed of an object at the equator due to the
3 answers
asked by
Sam
613 views
A rocket is fired at a speed of 75.0 m/s from ground level, at an angle of 59.7° above the horizontal. The rocket is fired
2 answers
asked by
Kelly
1,267 views
An object wuth a mass of .5 kg starts from rest and achieves a maximum speed of 20m/s in 0.01 s. What average unbalanced force
4 answers
asked by
Ronaldo
1,367 views
A block of mass m = 5.9 kg is pulled up a è = 21° incline as in the figure with a force of magnitude F = 34 N.
(a) Find the
3 answers
asked by
Imani
646 views
Why does a toy car go faster and further when it is added weight onto it and is put on a ramp at 45 degrees?
3 answers
asked by
Megan
344 views
The velocity v of a roller coaster in feet per second at the bottom of a hill is Where h is the height of the hill in feet.
Simpl
4 answers
asked by
Bella
1,381 views
A box is raised using a rope with a acceleration of 3.9m/s(upward)tesnsion of the rope 57N mass of box in kg?
1 answer
asked by
Mary
460 views
A canoe of mass 70 kg with a paddler of mass 55 kg are in a river. If the river's current exerts a force of 15 N [E] while the
4 answers
asked by
Jess
852 views
A 5.4 kg block slides down an inclined plane
that makes an angle of 38� with the horizontal. Starting from rest, the block slides
3 answers
asked by
Sara
1,124 views
A braking system is used to prevent the car travelling
faster than 27 m s–1.The car and passengers shown in the diagram have a
3 answers
asked by
tania
813 views
the instant before a batter hits a 0.14 kilogram baseball, the velocity of the ball is 45 m/s west. the instant after the batter
3 answers
asked by
lisbeth
2,208 views
Which characteristic will be affected by increasing the speed of an object from 30 meters per second (m/s) to 40 meters per
10 answers
asked by
Clueless
81 views
What does the term Crescendo mean?
3 answers
asked anonymously
28 views
The regions of state space to which many different trajectories converge are called?
Group of answer choices Energy portals
3 answers
asked anonymously
37 views
Two blocks of mass m1 = 1.0 kg and m2 = 2.5 kg are connected by a massless string.M1 is on the surface and mass 2 is hanging on
3 answers
asked by
sky
714 views
An airplane flies due north at 160 km/h with respect to the air. There is a wind blowing at 80 km/h to the east relative to the
3 answers
asked by
Daniel
780 views
Two blocks, A and B (with mass 50 kg and 100 kg, respectively), are connected by a string, as shown in Figure P5.63. The pulley
2 answers
asked by
clueless
1,077 views
A 3kg object initially moving in the positive x-direction with a velocity of +5m/s collides with and sticks to a 2kg object
2 answers
asked by
Anonymous
1,179 views
A Ferris wheel with radius 8.8 m rotates at a constant rate, completing one revolution every 34.6 s. Suppose the Ferris wheel
4 answers
asked by
Anonymous
2,037 views
a soccer player kicks a stationary ball giving it a speed of 20m/s at an angle of 15degrees to the horizontal. what is the
4 answers
asked by
ruby
1,778 views
A 290 kg piano slides 4.6 m down a 30° incline and is kept from accelerating by a man who is pushing back on it parallel to the
6 answers
asked by
mas
568 views
What is the instantaneous acceleration(both magnitude and direction) due to the coriolis force on an object moving at 160 m/s to
2 answers
asked by
Krysten
603 views
You lose your footing and slide of of your roof. Fortunately, you have placed a safety net whose center is positioned at a
1 answer
asked by
Bill
1,092 views
A string passes over a frictionless, massless pulley attached to the ceiling. A mass m1=15.0 kg hangs from one end of this
3 answers
asked by
Sandra
1,279 views
he symbol fp means
(1 point) Responses gradually get softer. gradually get softer. gradually get louder. gradually get louder.
2 answers
asked by
wyatt
43 views
A craet is pulled right with a force of 82.0 N to the left with a force of 115N upward with a force of 565N and dow ward with a
3 answers
asked by
Physics
1,568 views
Read the scenario.
A cyclist is riding his bike at a constant speed of 5 m/s, and experiences a frictional force between the bike
4 answers
asked by
N "COLDCAT" S
50 views
A small solid marble of mass m and radius r will roll without slipping along the loop-the-loop track if it is released from rest
3 answers
asked by
Darlene
1,749 views
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