12,762 Answered Questions for the topic physics

Physics

03/04/24

Confused physics question-please help
On your first trip to Planet X you happen to take along a 150 g mass, a 40-cmcm-long spring, a meter stick, and a stopwatch. You're curious about the acceleration due to gravity on Planet X, where... more
Follows • 1
Expert Answers •1
Physics

03/04/24

Physics arc problem-please help!
In the Pirate Boat ride at the amusement park, riders swing back and forth in a pendulum-like "boat." The distance from the boat to the pivot point is 13 m, and the maximum angle the boat reaches... more
Follows • 2
Expert Answers •1
Physics

03/04/24

Wrecking ball and time question-please help!
A building is being knocked down with a wrecking ball, which is a big metal sphere that swings on a 13-m-long cable. You are (unwisely!) standing directly beneath the point from which the wrecking... more
Follows • 1
Expert Answers •1
Physics

03/04/24

Pendulum question-Last minute physics homework help needed!
In a science museum, you may have seen a Foucault pendulum, which is used to demonstrate the rotation of the earth. In one museum's pendulum, the 110 kg bob swings from a 17.4-m-long cable with an... more
Follows • 1
Expert Answers •1
Physics

03/04/24

Physics Oscillation question-please help walk me understand what to do:)
The New England Merchants Bank Building in Boston is 152 m high. On windy days it sways with a frequency of 0.15 Hz , and the acceleration of the top of the building can reach 1.8 % of the... more
Follows • 1
Expert Answers •1
Physics

03/02/24

Physics 20: Planar kinematics
A projectile is fired at 30.0 m/s off of a 50.0m cliff at 40.0 degrees above the horizon.a. Determine the time (in s) in the air before it hits the ground.b. Determine the distance (in m) from the... more
Follows • 1
Expert Answers •1
Physics

03/02/24

Physics 20: Planar kinematics
A 150.0 kg mass is fired horizontally off a 50.0 m cliff with a velocity of 30.0 m/s.a. Determine the time (in s) in the air before it hits the ground.b. Determine the distance (in m) from the... more
Follows • 1
Expert Answers •1

03/02/24

Movement of charged particles in a magnetic field-physics problem
I found this interesting physics problem on the internet:An electron-positron pair is created from a photon with an energy of 2 MeV passing by a nucleus with a high atomic number. In the Wilson... more
Follows • 2
Expert Answers •1
Physics

03/01/24

Physics lenses problems
A converging lens has a focal length of 14 cm. The lens is used to produce an inverted image of a 3.0 mm long insect that appears to be 4.3 mm long.What is the position of the insect (relative to... more
Follows • 1
Expert Answers •1
Physics

03/01/24

Dashboard Issues

Hey so I am having trouble with the Wyzant dashboard. All the other subjects across the top work except for the Dashboard. Its like it constantly trying to load. Any ideas on what is wrong with it.... more
Follows • 1
Expert Answers •1
Physics Math

02/29/24

Physics, find the coefficent of static fristion for the furniture/floor surfaces
Supposed the minimum magnitude of the force F needed to push the furniture at this same angle in order to get it to start sliding is 657N. What is the coefficient of static friction for the... more
Follows • 1
Expert Answers •1
Physics

02/29/24

Physics 20: Linear Kinematics
A diver springs upward with an initial speed of 1.8 m/s from a 3.0 m board.a) Find the velocity with which the diver strikes the water. (7.9 m/s down).b) What is the highest point the diver reaches... more
Follows • 2
Expert Answers •1
Physics

02/29/24

Physics 20: Linear Kinematics

A baseball is thrown upward with an initial speed of 35.0 m/s. What is its velocity at 2.00 s? (15.4 m/s up)I want to know how to find the answer
Follows • 1
Expert Answers •2

02/28/24

Find the Acceleration of a swinging bar and the forces on the struts
https://prnt.sc/G96geXdw_COLThe link leads to the picture of the problem. Essentially the problem is a 12 kg bar (4m in length) attached to the ceiling by 2 massless struts held initially at an... more
Follows • 1
Expert Answers •1
Physics

02/28/24

Physics Question
A bead slides without friction around a loop-the-loop. The bead is released from a height of 28.2 m from the bottom of the loop-the-loop which has a radius 9 m. The acceleration of gravity is 9.8... more
Follows • 1
Expert Answers •1
Physics

02/27/24

What happens during a high tide?
Hint: gravity keep things moving.
Follows • 1
Expert Answers •1
Physics Math

02/26/24

AP Physics Ladder Problem
 A clerk is going up a ladder. The clerk's weight is 450N, and the ladder's weight is 200N. There is negligible friction between the ladder and the wall. The angle between the ladder and the floor... more
Follows • 1
Expert Answers •1
Physics

02/26/24

Find Force given velocity, time and mass
A 512 g ball strikes a wall at 15 m/s and rebounds at 12.1 m/s. The ball is in contact with the wall for 0.049 s. What is the magnitude of the average force acting on the ball during the collision?... more
Follows • 1
Expert Answers •1
Physics

02/25/24

FInd force given weight, time, velocity and gravity
A(n) 4.4 lb hammer head, traveling at 6 ft/s strikes a nail and is brought to a stop in 0.00084 s. The acceleration of gravity is 32 ft/s 2 . What force did the nail receive? Answer in units of lb.
Follows • 1
Expert Answers •2
Physics

02/25/24

Find Force given mass, velocity and time
A child bounces a 48 g superball on the sidewalk. The velocity change of the superball is from 25 m/s downward to 14 m/s upward. If the contact time with the sidewalk is 1 800 s, what is the... more
Follows • 2
Expert Answers •1
Physics

02/25/24

Find Velocity given kinetic and momentum
A 0.18 kg ball of dough is thrown straight up into the air with an initial speed of 12 m/s. The acceleration of gravity is 9.81 m/s 2 . a) What is its momentum at its maximum height? Answer in... more
Follows • 0
Expert Answers •1
Physics

02/25/24

relative motion
A car (car #1), moving at speed v1= 20 m/s in the direction theta1= 33degrees N of E starts at apoint a distance D = 130 m due north of a second car (car #2) that moves with a speedv2 = 30 m/s and... more
Follows • 2
Expert Answers •1
Physics

02/22/24

The figure below shows a block with mass m = 5.6 kg pulled up a plane inclined at an angle of 𝜃 = 29° with a force of magnitude F = 44 N parallel to the plane.
Follows • 3
Expert Answers •1
Physics

02/22/24

Power Equations
When an automobile moves with constant velocity, the power developed is used to overcome the frictional forces exerted by the air and the road. If the engine develops 30 hp, what total frictional... more
Follows • 1
Expert Answers •1
Physics

02/22/24

Power Equations
A 2.0 × 103 kg elevator carries a maximum load of 796.7 kg. A constant frictional force of 2.9 × 103 N retards the elevator’s motion upward. What minimum power must the motor deliver to lift the... 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.