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Physics Questions
A lawn mower has a flat, rod-shaped steel blade that rotates about its center. The mass...
Consider three displacement vectors, D = (6.4 m, -8.2 m), B = (-9.8 m, 3.3 m),...
A roller coaster reaches the top of the steepest hill with a speed of 6.1 km/h...
An ideal transformer has 4500. turns in its primary (input) and 14500. turns in its secondary...
Given ω = 1210 [rad s-1], what is the linear frequency? (Round to the nearest tenth)
A uniform electric field of 9.1 N/C is directed in the -x direction. What is the...
Q- A conductor of length (L) carrying current of magnitude (i) is placed in a magnetic...
Coulomb's Law: Two tiny particles having charges of +5.00 μC and +7.00 μC are placed along...
An unidentified flying object (UFO) is observed to travel a total distance of 37000 m, starting...
a gymnast hangs by holding two rings. his arms above his head, ans eavh makes a...
A professional golfer is examining a video of a practice swing. The high‑speed footage shows that...
a) How is the sign of ACCELERATION represented on a velocity vs time graph. b) Why...
Describe how the 1st and 2nd laws of thermodynamics relates heating and cooling a room. The...
A small m=1.81E-3kg plastic ball is suspended by a l=20.0cm long string in a uniform electric...
An energy storage system based on a flywheel (a rotating disk) can store a maximum of...
A 9 V non-ideal battery has an internal resistance of 8.0 Ω. For what external resistance,...
A car travels at 67.5 km/h on a level road in the positive direction of an...
A river 5 meters wife and 1 meter deep is flowing at 2m/s. A little downstream...
A ball is thrown from the floor to the air. A maximum height of 9.3m and...
part 1: a spectrometer uses a grating with 11600 lines/ cm. Find the angle at which...
Find the minimum diameter of an l = 16.7 m long steel wire that will stretch...
A 5kg mass is hung vertically from a spring with k = 200 N/m. a) When...
The minimum frequency for the photoelectric effect to occur in a given metal is 5x 10^14...
There are two charges on the x axis, one at the origin and one 12.6 m...
A light beam containing red and violet wavelengths is incident on a slab of quartz at...
26.003 The refractive indices of materials A and B have a ratio of nA/nB = 1.26....
Your friend is about to drive away after moving out and you notice that they left...
could someone help me with these problems I would be very grateful :) Problem a) a...
A satellite is placed into orbit around Venus with an orbital radius of 9 x 10^6...
The rhinestones in costume jewelry are glass with index of refraction 1.50. To make them more...
In this coming weekend’s performance, a circus stuntwoman (mass 45.0 ??) is going to be loaded...
Problem 11.47 1. If a pendulum has a length L and you want to double its...
In the field below, discuss one other potentially questionable claim of the original story as reported...
A ball rolls down a rock cliff at 45.0 degrees for 3.00 m without slipping; what...
A jet transport has a weight of 2.82 x 106 N and is at rest on...
The hail comes straight down at a mass rate of m/Δt=0.0690 kg/s and an initial velocity...
An asteroid, whose mass is 2.50×10-4 times the mass of Earth, revolves in a circular orbit...
Two uniform rods of identical mass and identical length are rotating with identical rotational kinetic energy....
A long straight wire carries a current of 5.0 A thereby creating a B field in...
A 0.377-kg mass slides on a frictionless floor with a speed of 1.35 m/s. The mass...
A. where is the center of gravity of the broom if I cut it at the...
A diffraction grating with d = 2000 nm is used with a mercury discharge tube. Note...
Compact fluorescent bulbs are much more efficient at producing light than are ordinary incandescent bulbs. They...
A jeweler examines a diamond with a magnifying glass. If the near-point distance of the jeweler...
Use the formula to estimate the mean free path of air at 20°C and 7 kPa....
I am trying to get some help with figuring out the following case scenario The basic-spectral-line...
if a charge of 7.582 nc is placed at a point where the electric filed is...
Calculate the centripetal acceleration of a point 10 cm from the axis of an ultracentrifuge spinning...
Two ice skaters hold hands and rotate, making one revolution in 2.90 s. Their masses are...
a child's toy consists of a wooden bee attached to a spring. The toy is hung...
Luis absentmindedly leaves his physics textbook on the horizontal top of his 1825-kg car while getting...
A skier is launched by a spring that can be compressed by 5m. The skied is...
A cylinder contains 0.300 mol of carbon dioxide (CO2)gas at a temperature of 23.0 ∘C. The...
A cube of copper with a mass of 2.00 kg, initially at a temperature of 150.0°C,...
A sphere of radius 1.2 cm has a constant volume charge density of 0.7 μC/m3. What...
A straight rod consists of of 0.82 cm long piece of aluminum attached to a 2.84...
1. You rub a balloon on your sweater, and give it a charge of -100 nC...
A tuning fork vibrating at 512 Hz falls from rest and accelerates at 9.80 m/s2. How...
Tipler6 27.P.021. A single loop of wire of radius 3 cm carries a current of 2.9...
A 1.3 kg block slides along a frictionless surface at 1.5 m/s . A second block,...
When you slosh the water back and forth in a tub at just the right frequency,...
The characteristic photoelectric threshold of a certain metal is 2750 A. Find: (a) The work necessary...
For Christmas break, you decide to head to Saginaw, Texas. The distance you expect to travel...
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Is it possible to add heat into a closed system of ideal gas without changing its...
Charge of positively charged particle in dipole: 1.6e-19 C Separation of charges in dipole: 4e-11 m...
Jim rides his skateboard down a ramp that is in the shape of a quarter circle...
Identical point charges of +1.3 µC are fixed to three of the four corners of a...
A particle has a charge of -3.05 nC . Part A Find the magnitude of the...
Hi I just need to know if these statements are true or false and why!! 1....
7. Una onda senoidal está viajando en una cuerda con una rapidez de 30 cm/s. El...
one-dimensional movement exercise: Two balls are dropped in a vacuum from the same height, but at...
Suppose you start with a sample with 2.900×108 nuclei of a particular isotope. This isotope has...
a small heavy bucket of mass m is tied to a massless rope of length l...
A uniform electric field of magnitude 214 V/m is directed in the positive y direction. A...
A cosmic ray electron moves at 6.6 x 106 m/s perpendicular to the Earth’s magnetic field...
How would you place an object in relation to a converging (convex) lens to obtain a...
A ladder 5.20 m long leans against a wall inside a spaceship. From the point of...
Consider a pipe with a length of (A+32.5) cm. If the temperature of the air is...
A wire carries current out of a page. The wire has a radius of 17mm. The...
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