12,795 Answered Questions for the topic physics

Physics

05/17/22

Torque/physics based question

A girl pushes a door with a 10.4 Nforce, perpendicular to the door,1.25 m from the hinges. Howmuch torque is produced?(Unit = N*m) can someone please throughly answer this ?
Follows • 1
Expert Answers •1

05/17/22

In a roundabout (or traffic circle), cars go around a 24- m -diameter circle.
In a roundabout (or traffic circle), cars go around a 24- m -diameter circle.If a car's tires will skid when the car experiences a centripetal acceleration greater than 0.60g , what is the maximum... more
Follows • 2
Expert Answers •1

05/17/22

A wildlife researcher is tracking a flock of geese. The geese fly 5.0 km due west, then turn toward the north by 45 ∘ and fly another 3.5 km .
A wildlife researcher is tracking a flock of geese. The geese fly 5.0 km due west, then turn toward the north by 45 ∘ and fly another 3.5 km .How far west are they of their initial position?What is... more
Follows • 3
Expert Answers •1

05/17/22

A skier is gliding along at 3.0 m/s on horizontal, frictionless snow. He suddenly starts down a 11 ∘ incline. His speed at the bottom is 15 m/s .
A skier is gliding along at 3.0 m/s on horizontal, frictionless snow. He suddenly starts down a 11 ∘ incline. His speed at the bottom is 15 m/s .What is the length of the incline?How long does it... more
Follows • 1
Expert Answers •1
Physics

05/16/22

Consider a Porsche Cayman...
Consider a Porsche Cayman with a mass of 1,301 kg having a constant acceleration of 5.64 m/s2. What is the power, in hp, exerted by the engine of the car if the speed is 183 m/s?Answer: 1,799.98
Follows • 2
Expert Answers •1
Physics

05/16/22

Torque /Physic related problem
To turn a nut, a wrench must create2.25 N*m of torque. If the personexerts a 48.3 N force perpendicular tothe wrench, how far from the nutshould the force be applied?Can someone please give me a... more
Follows • 2
Expert Answers •1
Physics

05/15/22

A wildlife researcher is tracking a flock of geese. The geese fly 5.0

A wildlife researcher is tracking a flock of geese. The geese fly 5.0 km due west, then turn toward the north by 45 ∘ and fly another 3.5 km .How far west are they of their initial position?What is... more
Follows • 1
Expert Answers •1
Physics

05/15/22

A particle rotates in a circle with centripetal acceleration a = 14 m/s^2 .
A particle rotates in a circle with centripetal acceleration a = 14 m/s^2 .What is a if the radius is doubled without changing the particle's speed?What is a if the speed is doubled without... more
Follows • 1
Expert Answers •2
Physics

05/15/22

An old-fashioned LP record rotates at 33⅓ .
An old-fashioned LP record rotates at 33⅓ .What is its frequency in rev/s?What is its period, in seconds?
Follows • 1
Expert Answers •1
Physics

05/15/22

On the Apollo 14 mission to the moon,

On the Apollo 14 mission to the moon, astronaut Alan Shepard hit a golf ball with a golf club improvised from a tool. The acceleration free-fall on the moon is 1/6 of its value on earth. Suppose he... more
Follows • 1
Expert Answers •1
Physics

05/15/22

A ball with a horizontal speed of 1.25 m/s rolls off a bench 1.00 m above the floor.
A ball with a horizontal speed of 1.25 m/s rolls off a bench 1.00 m above the floor.How long will it take the ball to hit the floor?How far from a point on the floor directly below the edge of the... more
Follows • 1
Expert Answers •1
Physics

05/15/22

Starting from rest, several toy cars roll down ramps of differing lengths and angles.
Starting from rest, several toy cars roll down ramps of differing lengths and angles. Rank them according to their speed at the bottom of the ramp, from slowest to fastest. Car A goes down a 10 m ... more
Follows • 1
Expert Answers •1
Physics

05/15/22

A car traveling at 27 m/s runs out of gas while traveling up a 9.0 ∘ slope.
A car traveling at 27 m/s runs out of gas while traveling up a 9.0 ∘ slope.How far will it coast before starting to roll back down?
Follows • 1
Expert Answers •1
Physics

05/15/22

People hoping to travel to other worlds are faced with huge challenges.
People hoping to travel to other worlds are faced with huge challenges. One of the biggest is the time required for a journey. The nearest star is 4.1×10^16 m away. Suppose you had a spacecraft... more
Follows • 1
Expert Answers •1
Physics

05/15/22

physics problem, field of an infinite plane
Without doing any math, explain why the field of an infinite plane, uniformly charged, must be constant. Likewise, explain why the field produced by an infinite, uniformly charged wire must be... more
Follows • 1
Expert Answers •1
Physics Math

05/15/22

physics problem, please help
Use Gauss' law to show that:a) In electrostatic equilibrium, the net charge of a conductor must remain on the surface and the field must be normal to the surface, having modulus equal to σ/∈0 where... more
Follows • 1
Expert Answers •1
Physics

05/14/22

Electromagnetic Induction
A 16-cm-diameter circular loop of wire is placed in a 0.50-T magnetic field. (a) When the plane of the loop isperpendicular to the field lines, what is the magnetic flux through the loop? (b) The... more
Follows • 1
Expert Answers •1
Physics

05/14/22

rotational motion
 Suppose you start an antique car by exerting a force of 290 N on its crank for 0.13 s.f = 290 Nt = 0.13 sd = 0.38 mWhat angular momentum is given to the engine if the handle of the crank is 0.38 m... more
Follows • 2
Expert Answers •1
Physics

05/14/22

rotational motion
A merry-go-round at an amusement park consists of an outer ring of horses and an inner ring of elephants.The ring of eight horses has a radius of rh = 8.7 m. Each of the eight horses has a... more
Follows • 1
Expert Answers •1
Physics

05/12/22

rotational motion
 Suppose you start an antique car by exerting a force of 290 N on its crank for 0.13 s.f = 290 Nt = 0.13 sd = 0.38 mWhat angular momentum is given to the engine if the handle of the crank is 0.38 m... more
Follows • 1
Expert Answers •1
Physics

05/11/22

rotational motion
A merry-go-round at an amusement park consists of an outer ring of horses and an inner ring of elephants.The ring of eight horses has a radius of rh = 8.7 m. Each of the eight horses has a... more
Follows • 2
Expert Answers •1
Physics

05/11/22

rotational motion
  A uniform disc of mass m = 2 kg and radius R = 0.75 m is suspended horizontally by a wire. Refer to the figure. A force of F = 65 N is applied to the edge of the disc tangentially. As a result,... more
Follows • 2
Expert Answers •1
Physics

05/11/22

Linear motion problem
A kid is standing on amerry-go-round 0.825 m fromthe center. Starting from rest,they reach 1.08 rad/s in 3.47 s.What was his linear acceleration?Can someone answer this throughly ?
Follows • 1
Expert Answers •1
Physics

05/11/22

Rotational motion

A kid is standing on amerry-go-round, 1.74 m fromthe center, rotating at 2.38 rad/sWhat is his linear velocity?Could someone answer this thourgly ?
Follows • 1
Expert Answers •1
Physics

05/11/22

I need help please
A rock of mass 3KG is attach to the end of a 2 m long rope. The rock is swung and a vertical circle. That tangential velocity of the rock is 15 M/S. How long does it take in seconds for the rock to... more
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.