Physics

Replies / Views	Last post
An air track cart with mass m and speed v moving along an air track collides with a stationary cart ... Started by vicky	1 Replies 174 Views	Jul 29, 2018 by morganmarie791
A force F = bx3 acts in the x direction, where the value of b is 3.7 N/m3. How much work is done by ... Started by mp14	1 Replies 32 Views	Jul 29, 2018 by macagn
In the two-dimensional elastic collision of a particle with a stationary particle that has the same ... Started by maychende	3 Replies 75 Views	Jul 29, 2018 by Kjones0604
In space there is nothing for the rocket to push against so how does it accelerate? What will be ... Started by DelorasTo	1 Replies 31 Views	Jul 29, 2018 by chevyboi1976
A system that has zero momentum must also have zero kinetic energy. Indicate whether the ... Started by charchew	1 Replies 40 Views	Jul 29, 2018 by tennis14576
A car is making a 12-mile trip. It travels the first 8.0 miles at 30 miles per hour and the last 4.0 ... Started by HCHenry	1 Replies 94 Views	Jul 29, 2018 by olivia_paige29
Internal forces cannot change the total momentum of a system. Indicate whether the statement is ... Started by BrownTown3	3 Replies 85 Views	Jul 29, 2018 by Amiracle
A car starts from rest and accelerates at 6.00 m/s2. How far does it travel in 3.00 s? A) 9.00 m ... Started by cookcarl	1 Replies 47 Views	Jul 29, 2018 by kingdude89
A car is moving with a constant acceleration. At t = 5.0 s its velocity is 8.0 m/s and at t = 8.0 s ... Started by olgavictoria	1 Replies 80 Views	Jul 29, 2018 by tkempin
An airplane starts from rest and accelerates at 10.8 m/s2. What is its speed at the end of a 400 ... Started by mikaylakyoung	1 Replies 66 Views	Jul 29, 2018 by nothere
The center of mass of an object does not have to be located within the object. Indicate whether ... Started by Marty	3 Replies 45 Views	Jul 29, 2018 by rekilledagain
Give at least one example of each of the following: (a) longitudinal standing wave. (b) ... Started by madam-professor	1 Replies 57 Views	Jul 29, 2018 by SamMuagrove
A uniform rope hangs from a ceiling. Without tugging on the rope, you give the bottom of the rope a ... Started by tingc95	1 Replies 90 Views	Jul 29, 2018 by soda0602
A tennis ball bounces on the floor three times. If each time it loses 22.0 of its energy due to ... Started by evelyn o bentley	1 Replies 58 Views	Jul 29, 2018 by okolip
Two different masses have equal, non-zero kinetic energies. The momentum of the smaller mass is ... Started by bobbysung	3 Replies 63 Views	Jul 29, 2018 by Joc
An object is attached to a hanging unstretched ideal and massless spring and slowly lowered to its ... Started by j.rubin	1 Replies 175 Views	Jul 29, 2018 by Leostella20
If the dot product of two nonzero vectors is zero, the vectors must be perpendicular to each other. ... Started by PhilipSeeMore	1 Replies 107 Views	Jul 29, 2018 by perkiness
If two nonzero vectors point in the same direction, their dot product must be zero. A) True B) ... Started by HCHenry	1 Replies 61 Views	Jul 29, 2018 by Sierray
A rubber ball and a lump of putty have equal mass. They are thrown with equal speed against a wall. ... Started by Capo	3 Replies 86 Views	Jul 29, 2018 by Kdiggy
An object that is initially at rest breaks up into two pieces of unequal masses when a spring-loaded ... Started by kwoodring	1 Replies 43 Views	Jul 29, 2018 by vkodali
A tennis ball undergoes an elastic collision when it hits the ground and bounces up. It is given ... Started by gonzo233	1 Replies 55 Views	Jul 29, 2018 by cloud
A railroad car of mass m and speed v collides and sticks to an identical railroad car that is ... Started by casperchen82	1 Replies 82 Views	Jul 29, 2018 by morrie123456
An elastic collision of two objects is characterized by the following. A) Total momentum of the ... Started by Medesa	3 Replies 215 Views	Jul 29, 2018 by jordangronback
The pitch of a sound is determined by A) the amplitude. B) the speed. C) the frequency. D) the ... Started by APUS57	1 Replies 104 Views	Jul 29, 2018 by Sarahjh
A 4.50-kg wheel that is 34.5 cm in diameter rotates through an angle of 13.8 rad as it slows down ... Started by RRMR	1 Replies 75 Views	Jul 29, 2018 by cam1229