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A 3.20 kg hoop 2.20 m in diameter is rolling to the right without slipping on...
A bird-watcher is hoping to add a particular song bird to her "life list" of species....
Optics: Interference and Diffraction 1. Why do you think the colors (when light diffracts) appears in...
A small but measurable current of 5.6 x 10-10 A exists in a copper wire whose...
If the angular magnification of an astronomical telescope is 33 and the diameter of the objective...
A small spaceship whose mass is 2100 kg (including an astronaut) is drifting in outer space...
An object is placed 33.0 cm to the left of a diverging lens with a focal...
A car changed its speed from 30 m/s to 50 m/s. The distance is 180 m,...
What happens to an atom that emits an alpha particle or a beta particle?
The yield stress of a metal sample with very large grain size was 20 MNm-2, whereas...
The figure shows a pV diagram for a gas going through a cycle from A to...
In order to cross the galaxy quickly, a spaceship leaves Earth traveling at 0.9999991 c. After...
The siren of a police car is heard by a sitting at a cafe. The police...
A rock is thrown from the top of a cliff with height h and the sound...
Two astronauts on opposite ends of a spaceship are comparing lunches. One has an apple, the...
A 0.20 kg block traveling at 5 m/s collides elastically with a 0.80 kg block resting...
Two mass are connected by an ideal string that is threaded over an ideal pulley. The...
A projectile is launched from ground level at 55 m/s at a 35 degree angle. Air...
An object floats first in fluid of density p(1)=900 kg/m^3, then in a fluid of density...
A bucket hands over a well by a rope. The rope is wrapped around a winch...
1. Which of the following actions will increase the speed of sound in air? (a) decreasing...
How different would the pattern look if a beam of white light had been used instead...
You send bobo the stuffed clown on vacation to the Glorious leader of North Korea at...
Perform the following unit conversions and express your answer in scientific notation. 0.00480 mm ? ?...
a bullet of mass m=5g is fired into a wooden block with mass M= 0.995 kg...
A nonuniform beam 4.44 m long and weighing 1.10 kN makes an angle of 25 ?...
how can I determine the direction of electric force and the electric field? are negative charges...
Find the magnetic field 6.26 cm from a long, straight wire that carries a current of...
When applying the right-hand rule for force (sections 27-3 and 27-4), first point your fingers in...
You are leaving Philadelphia in a cold winter day to visit Disney World in Florida? When...
The electric potential immediately outside a charged conducting sphere is 240 V, and 10.0 cm farther...
Explain parallax error as a source of experimental error?
I ONLY NEED PART B! A. A compound microscope has an objective lens with a focal...
In an experiment, 150 g of aluminum (with a specific heat of 900 J/kg·K) at 67.0°C...
TV Camera An electron in a TV camera tube is moving at 7.09 ? 106 m/s...
a device shoots a toy car by compressing a springwith spring constant 150n/m a distance of...
The universe will probably most likely expand at a faster and faster rate expand and then...
Doubling the momentum of: Question 34 options: 1) a particle doubles its relativistic total energy. 2)...
Tom and Donna decide to have a swimming race across a 200m wide lake. Tom gives...
A nonconducting solid sphere of radius 2.80 cm carries a uniformly distributed positive charge of 6.60×10-9...
As part of the initial treatment for waste water from an industrial site, you will be...
3. A 400 gram block is attached to a spring, with a spring constant of 900...
If 5.00 m3 of water at 0?C is frozen and cooled to -14 ?C by being...
. One technique used in long jumping is to lower the center of gravity in the...
Find the speed [km/h] at which Superman (mass=85 kg) must fly into a train (mass =...
How much work is required to move a small charge along an equipotential line? Why is...
Power lines have sag in part to accommodate the thermal expansion and contraction that they experience...
Which statement regarding electric potential is NOT accurate? a. Electric potential is measured in units of...
An Amtrak passenger train was travelling at 106 mph. Upon noticing danger ahead, the conductor applied...
1. Single convex lenses can be used to make images of far away objects. Will these...
Billiard ball collision in 2-D. Billiard ball A moving with speed vA= 6.9-m/s in the +x...
Consider the reaction ?+ ? ?+ + ? in which a pion decays into a neutrino...
The rectangular loop of wire shown in the figure (Figure 1) has a mass of 0.11...
How do plane waves work? How do they propogate depending on the electric and magnetic field?...
You're the operator of a 15,000 V rms, 60 Hz electrical substation. When you get to...
Discuss each of the terms in the Drake Equation, including what each one means, and how...
A Gaussian wave pulse on a string is described by y(x,t) = 2.4 exp(?(x?2t)²/6), where x...
A 60-dB sound wave strikes an eardrum whose area is 5.0×10?5m2. The intensity of the reference...
Calculate the amplitude of the motion. Calculate the maximum speed attained by the object. An object...
Challenge problem. (extra credit) Consider a hot-air balloon. The deflated balloon, gondola, and two passengers have...
4. A melon, 1.50 m above the ground, is tossed straight upward with 25 J of...
You are pushing a lawn mower a distance of 0.20 km with an average force of...
a) While entering a freeway, a car accelerates from a speed of 20.0 m/s at a...
Review Conceptual Example 15 before attempting this problem. Two identical pellet guns are fired simultaneously from...
These are the easy ones pls answer both luv yaaa A net force of 10N is...
a) What would have to be the self-inductance of a solenoid for it to store 10.2...
A physicist uses a cylindrical metal can 0.260 m high and 0.070 m in diameter to...
To strengthen his arm and chest muscles, an 81.0 kg athlete 2.00 m tall is doing...
When an object is placed 27 cm in front of a spherical mirror the magnification is...
A beam of electrons is accelerated from rest and then passes through a pair of identical...
1. An isolated spherical conductor has an excess charge of -8.6 ?C placed on its surface....
A person with a radio-wave receiver starts out equidistant from two FM radio transmitters A and...
Consider two stacked boxes sitting on a table. Box A is on the bottom and has...
A car is traveling at 47.0 km/h on a flat highway. (a) If the coefficient of...
1. A pendulum of mass 2.0 kg is raised to a height of 0.4 m above...
A girl is sitting on the edge of a merry-go-round at a playground. Looking down at...
If a nucleus captures a stray neutron, it must bring the neutron to a stop within...
A rock is thrown horizontally off a 5m high building. It lands 20m away. What is...
Which object in the following pairs has a greater total internal energy, assuming that the two...
Two charges are fixed on the x-axis. The first, Q1 = 5.230 nC, is placed at...
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