Physics

Physics
sukhdeepkaur28
2021-03-20 10:22:42
A light ray traveling in air enters a second medium and its speed slows to 1.71 × 10^8 meters per second. What is the absolute index of refractio...
ANSWER
Physics
damatausman
2021-03-20 07:49:57
A horizontal 20.-newton force is applied to a 5.0-kilogram box to push it across a rough, horizontal floor at a constant velocity of 3.0 meters per ...
ANSWER
Physics
paytonhalker02
2021-03-20 07:26:27
A 750-newton person stands in an elevator that is accelerating downward. The upward force of the elevator floor on the person must be (1) equal to...
ANSWER
Physics
Nyreen231
2021-03-20 07:14:42
A 1.0 × 10^3-kilogram car travels at a constant speed of 20. meters per second around a horizontal circular track. The diameter of the track is 1...
ANSWER
Physics
shelithaadell
2021-03-20 06:51:12
Earth’s tides are determined by the moon’s ________________ pull. a. rotational c. gravitational b. radial d. ecliptic...
ANSWER
Physics
LynKovalsky
2021-03-20 05:40:42
He was a priest who issued the Grito de Dolores, a call for a peasant rebellion in Mexico. a. Saint-Domingue b. Toussaint L’Ouverture c. José d...
ANSWER
Physics
oliviabenz
2021-03-20 05:05:27
How do you solve this equation ___ Al + ___ Na1 O1 H1 -___Na3 Al1 O3 + __ H2...
ANSWER
Physics
AshleyDaPanda
2021-03-20 04:53:42
Two forces, a 60.-newton force east and an 80.-newton force north, act concurrently on an object located at point P, as shown. Determine the magnit...
ANSWER
Physics
swimlikemad
2021-03-20 02:32:42
A projectile is launched at an angle above the ground. The horizontal component of the projectile’s velocity, vx, is initially 40. meters per se...
ANSWER
Physics
Emilygrace1
2021-03-19 20:51:57
A particle could have a charge of (1) 0.8 × 10^−19 C (3) 3.2 × 10^−19 C (2) 1.2 × 10^−19 C (4) 4.1 × 10^−19 C...
ANSWER
Physics
loganyates
2021-03-19 19:17:57
Circuit A has four 3.0-ohm resistors connected in series with a 24-volt battery, and circuit B has two 3.0-ohm resistors connected in series with a...
ANSWER
Physics
jamdown
2021-03-19 18:07:27
A 3.00 × 10^−9-coulomb test charge is placed near a negatively charged metal sphere. The sphere exerts an electrostatic force of magnitude 6.00...
ANSWER
Physics
Karleebabeyyy
2021-03-19 16:56:57
a bag of sugar has a mass of 2.2kg what is its weight on earth...
ANSWER
Physics
EmmittLagoa838
2021-03-19 16:45:12
A baseball is thrown at an angle of 40.0° above the horizontal. The horizontal component of the baseball’s initial velocity is 12.0 meters per ...
ANSWER
Physics
monkey191
2021-03-19 15:46:27
The term hierarchy refers to A. a situation in which higher species such as men will always be in control of lower species such as animals. B. a te...
ANSWER
Physics
biblegirl
2021-03-19 15:34:42
A radioactive element X with atomic number 88 and mass number 226 emits in succession:1)alpha particle 2)a beta particle 3)gamma radiation Explain...
ANSWER
Physics
Ciry
2021-03-19 15:22:57
A 3-ohm resistor and a 6-ohm resistor are connected in parallel across a 9-volt battery. Which statement best compares the potential difference ac...
ANSWER
Physics
AnibalReisin169
2021-03-19 11:04:27
A ray of yellow light ( f = 5.09 × 10^14 Hz) travels at a speed of 2.04 × 10^8 meters per second in (1) ethyl alcohol (3) Lucite (2) water (4) g...
ANSWER
Physics
Celitachandler
2021-03-19 10:17:27
Wind blowing across suspended power lines may cause the power lines to vibrate at their natural frequency. This often produces audible sound waves...
ANSWER
Physics
AllyMichelle
2021-03-19 09:06:57
A net charge of 5.0 coulombs passes a point on a conductor in 0.050 second. The average current is (1) 8.0 × 10^−8 A (3) 2.5 × 10^−1 A (2) 1...
ANSWER
Physics
ACEJOHNNY24
2021-03-19 05:11:57
The Hubble telescope’s orbit is 5.6 × 10^5 meters above Earth’s surface. The telescope has a mass of 1.1 × 10^4 kilograms. Earth exerts a gra...
ANSWER
Physics
magicqueen58
2021-03-19 03:26:12
Calculate the energy equivalent in joules of the mass of a proton. [Show all work, including the equation and substitution with units.]...
ANSWER
Physics
sara33
2021-03-19 01:05:12
Which one of the following acts is an example of body language? A. Rolling of the eyes B. Employing the peripheral route of persuasion C. Showing...
ANSWER
Physics
geokaky7
2021-03-18 23:42:57
Once you understand exactly how to perform each resistance training exercise, you should choose a weight that allows you to do how many repetitions....
ANSWER
Physics
racquelrosegree
2021-03-18 22:44:12
The velocity a rocket must reach to establish an orbit around Earth is called escape velocity....
ANSWER