373 Answered Questions for the topic physics C

Physics C Physics Physics B

03/20/19

Physics question for the radius
What is the radius of turn for an airplane that is traveling at 42 m/s with a 35-degree bank angle?
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Physics C Math Calculus Physics

11/28/18

What is this equation?
How would I solve for initial v in terms of theta (angle), D (x displacement), H (y displacement), and g (gravity)
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11/28/18

Physics Problem with Variables and Projectile Motion
So we have a physics problem where there is a basketball hoot 1.2 meters above the ground and someone shoots a ball from 10 meters away (x distance) at a 50 degree angle with the ground and we have... more
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Physics C Calculus Physics

11/03/18

What work is required to stretch a spring of spring constant 30 N/m from x=0.25m to x=0.30m
What work is required to stretch a spring of spring constant 30 N/m from x=0.25m to x=0.30m
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Physics C Calculus Physics

11/03/18

A 40N crate is 6.0M up along a 37° inclined plane. What is the magnitude of the work done by the weight of the crate?
A 40N crate is 6.0M up along a 37° inclined plane. What is the magnitude of the work done by the weight of the crate?
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Physics C Science Physics

07/14/18

A physics question, Please answer ASAP
A plane with a speed of 0.9c relative to the ground fires a shell in its direction. According to a system attached to the pilot, the shell appears to be moving away from it at a speed of 0.7c .... more
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05/06/18

A large punch bowl holds 3.35 kg of lemonade (which is essentially water) at 20.0° C.
A 0.40-kg ice cube at−10.2°C is placed in the lemonade. What is the final temperature of the system, and the amount of ice (if any) remaining? Ignore any heat exchange with the bowl or the... more
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05/02/18

A wheel of mass 10 kg and radius 2m rotates with angular velocity w= 2pi rad/s
a)If constant torque is applied to the wheel and it comes to rest in 2 seconds, what is the magnitude of the angular acceleration? b) Calculate the magnitude of the torque required to bring the... more
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05/02/18

A child of mass 20 kg sits at the edge of a merry-go-round of radius 2 m and mass 100 kg...
The merry go round spins freely (w/out friction) at 10 rpm. What is the total angular momentum of the system? Assume that the child is a point mass.
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10/23/17

What volume of iron (density 7.87 g/cm3) would be required to balance a 1.00 cm3 sample of lead (density 11.4 g/cm3) on a two-pan laboratory balance?
What volume of iron (density 7.87 g/cm3) would be required to balance a 1.00 cm3 sample of lead (density 11.4 g/cm3) on a two-pan laboratory balance?
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Physics C

09/25/17

A 100g granite cube slides down a 40 degree frictionless ramp. PLEASE HELP
A 100g granite cube slides down a 40 degree frictionless ramp. At the bottom, just as it exits into a horizontal table, it collides with a 200g steel cube at rest. How high above the table should... more
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04/06/17

Multi-loop circuits with resistors
Find the current I1 in the 0.7 Ω resistor at the bottom of the circuit between the two power supplies. Answer in units of A.    Picture of diagram... more
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Physics C Physics Momentum

01/01/17

Momentum in physics on an explosion
a plastic sphere containing an explosive charge, rolling at 4 m/s undergoes a two dimensional explosion into 3 fragments of equal mass. when viewed from above, one fragment moves at 6 m/s at an... more
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12/16/16

Final Angular Velocity. Need help w/ part 4
A phonograph turntable driven by an electric motor accelerates at a constant rate (i.e., constant angular acceleration) from 0 to 33.33 revolutions per minute in 2 minutes. The turntable is a... more
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Physics C Physics

10/08/16

What is the ratio of the intensity of light emerging from the third polarizer, I3, to the intensity of light incident on the first polarizer, I0?
A beam of initially unpolarized light passes through a sequence of three ideal polarizers. The angle between the axes of the first and second polarizers is 16.9°, and the angle between the axes of... more
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Physics C Physics

10/08/16

What is the width of the slit?
Light of wavelength 603.0 nm is incident on a narrow slit. The diffraction pattern is viewed on a screen 70.5 cm from the slit. The distance on the screen between the third order minimum and the... more
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Physics C Physics

09/28/16

Find the intensity of this wave and calculate the energy flowing?
A traveling sinusoidal electromagnetic wave in vacuum has an electric field amplitude of 52.7 V/m.Find the intensity of this wave and calculate the energy flowing during 16.9 s through an area of... more
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09/25/16

What is the car's acceleration while braking?
A car accelerates uniformly from rest at 12.5 m/s^2 for 10 seconds. It then brakes to a rest over a distance of 1000 meters.
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Physics C Physics Ap Physics

08/27/16

Two Rubber Ball Collision Physics Questions
A rubber ball is shot straight up from the ground with speed v0. Simultaneously, a second rubber ball at height h directly above the first ball is dropped from rest.   1. At what height above the... more
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12/05/15

Hubble Telescope question
The Hubble Space Telescope is a reflecting telescope in orbit about the earth so that its resolution would not be limited by turbulence in the atmosphere. Its objective diameter is 2.4 m. For... more
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12/05/15

Kinetic energy of particles and objects
Calculate the rest energy and the kinetic energy of: a) A 100g ball travelling with the speed of 100m/sb) An electron travelling at a speed of 0.999c. Which one has greater rest energy? Which one... more
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Physics C

06/15/15

physics: attraction and resultant collision between two free bodies
Hello Wyzant.   How may I approach this problem, please?  I guess I can assume that F = 1/d^3, and that this also equals m*a, but how can I solve for that d ?   Two small particles of mass m1... more
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05/07/15

Balls, balls and shuttlecocks:
 When a ball moves slowly is experiences laminar flow but when it moves fast there is turbulent airflow. What does this mean? What is the Reynolds number? Why are their dimples on a golf ball?… And... more
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