Math/Physics
212,527 results, page 36

physics
if the earth exerts a force 300n how much does the body weigh? 
physics
Explain with the aid of a diagram and Bernoulli’s equation how a siphon operates? 
Physics
What is the rolloff rate of the filter described with R = 2.2k and C = 0.0015 picofarad? 
PHYSICS
A LORRY INCREASES VELOCITY FROM 6m/s TO 10m/s IN 25 SECOND.FIND THE ACCELERATION. 
physics
a go cart starts at rest and accelerates to 40 m/s in 200m what is the acceleration of the cyclist? 
Physics
each resistor in the circuit shown is 5.0 Ù, and the battery is 12.0 V, what does the second ammeter (A2) read? 
physics
for a body to be in equillibrium under the combined action of several forces 
physics
Find the diameter of a gold coin that has a weight of 1.00 (troy) oz and a thickness of 3.00 mm. 
physics
idea about the impact of energy field through medicine 
physics help please
A dancer completes 3.4 revolutions in a pirouette. What is her angular displacement? 
Physics
A dancer completes 3.4 revolutions in a pirouette. What is her angular displacement? In rad. 
Physics
A dancer completes 3.8 revolutions in a pirouette. What is her angular displacement? In Rad. 
Physics
A potter's wheel rotates with an angular frequency of 1.54 rad/s. What is its period? 
Physics
How many molecules are there in 0.029 moles of carbon dioxide gas, CO2? 
Physics
If a car accelerates from rest to 15 m/s for a distance of 200 m. What is the magnitude of acceleration? 
physics
Why do the magnetic poles of cans reverse when turned upside down? 
physics
a sprinter runs 222yds in 25.2s find her average speed in yds/s 
physics
of the following the largest quantity is a] 0.047 cm b] 47x104 cm c] 4.7x 104 cm d] 0.00047x10^2 cm e] 0.000047x10^6 cm 
Physics
If you combine 34 kg of ice at 0°C with 80 kg of steam at 100°C, what is the final temperature of the system? °C 
Science (Physics)
1. Which of the following is the fastest speed? Show your working. (a) 60 km/h (b) 15 m/s (c) 1.1 km/min 
physics
A velocity vector 33{\rm ^{\circ}} below the positive xaxis has a ycomponent of 14{\rm m/s} . 
physics
i want a molecular explanation of behaviour of a piece of material under stress 
physics
A rolling ball moves from x1 = 3.2 cm to x2 = 4.2 cm during the time from t1 = 3.8 s to t2 = 6.1 s. What is its average velocity? 
Physics
A man walks with an average speed of 1.3 m/s for 45 minutes. How far has he walked? 
Physics
Light travels at a speed 3x10^8 m/s. What distance does it travel in a time of 0.1s? 
physics
A car goes 10 km in 5 minutes when its average velocity is 80 km/hr. true or false 
physics
A car accelerates from 10.0 m/s to 30 m/s at a rate of 3.1 m/s2. How far does it travel while accelerating? 
physics
A car accelerates from 10.0 m/s to 30 m/s at a rate of 3.5 m/s2. How far does it travel while accelerating? 
physics
What is its speed after 1.87 s if it accelerates uniformly at −4.31 m/s^2? Answer in units of m/s 
physics
what is the displacement of the ball? i.imgur. com/8ljWh . png i don't know calculus! 
Physics
i.imgur. com/cqwun. png i'm kind of stuck.. are the answers 6, 3, 3, and 0? 
Physics
If your car accelerates from rest at a steady rate of 4 m/s2, how soon will it reach 84 km/h 
Physics
If your car accelerates from rest at a steady rate of 4 m/s2, how soon will it reach 84 km/h 
Physics
If gravity was zero how would that effect the mass of an object? The weight? 
physics
A submarine dives 92 m at an angle of 7° below the horizontal. What are the two components? x = m y = m 
Physics
An airplane travels at 880 how long does it take to travel 1.50km 
physics
How much work does gravity do on a 0.120kg ball falling from a height of 17.0 m? 
Physics
At what distance from the earth's surface with a mass of 5.0kg be just 45.0N in weight. HELP 
Physics
At what DISTANCE from the earth's surface will a mass of 5.0kg be just 45.0N in weight 
physics
how do you convert 1.75 multiplied 10 to the 6th power grams to ounces? (answers) 
physics
How high will a 1.85 kg rock go if thrown straight up by someone who expends 80.0 J of energy on it? 
physics
when a car drives off a cliff why does it ratate forward as it falls? 
Physics
What does the tire preseeure reading in your vehicle signify? Is it an absolute pressure? 
physics
what frequency of sound travels in air @20 degree C has a wavelength equal to 1.7m? 
physics
A skier slides down a slope to the left at a constant speed. 
physics
what is the particle's average velocity in the y direction vy between t=0.200s and t=0.300s? 
physics
joe weighs 650N. how much work does he do if he climbs 4m up a a rope? 
Physics
How many calories it take to elevate the temperature of 10 gr of waterfrom 26C to 50C? 
physics please help
What effect does the magnetic field have on the speed of the particle? 
physics
An ammeter measures rate of change of current or flow of charge? 
physics
what speed must you toss a ball straight up so it takes 2s to return to you 
Physics sci & eng
A force of 5.8 N acts on a 16 kg body initially at rest. 
physics
If a cat chases a mouse for 1.15 s whail covering a distance of 19.6 m, what is the velocity? 
Physics
When we lauch a space shuttle will it go with Earths rotationor would it go opposite? 
Physics
A submarine dives 96 m at an angle of 24° below the horizontal. What are the two components? x = m y = m 
physics
find energy of a single photon of light when you have 5.4*10^12 hertz. 
physics
a race car accelerates from rest at +7.2 m/s^2 for 4.5 s. How fast will it be going at the of that time ?? 
Physics
How much force is required to accelerate 5kg at 15m/sec? 
physics
What is the wavelength of an earthquake that shakes you with a frequency of 10.0 Hz and gets to another city 84.0 km away in 12.0 s? 
Physics
What is the orbital speed of a satellite of mass 490 kg in geostationary orbit? 
physics
A balloon with a radius of 20.0 m at 6.0 oC is heated to 32.0oC. Find the new volume. 
Physics
What is the acceleration of a 2kg cart placed on a frictionless ramp inclined at 20 degrees? 
physics
why do you find the same wavelengths and colors on each side of the central maxima? 
physics
A projectile is shot straight up from the earth's surface at a speed of 1.50×104 . 
Physics HW Help, Please
What is the energy required to accelerate a 1600 kg car from rest to 33 m/s? 
Physics
A 125 ball has a kinetic energy 33.6 What is the magnitude of it's momentum? What is the speed? 
physics
calculate the value of g at a height of 3600 km above the surface of the earth? 
Physics (easy level)
What would a Potential energy to velocity^2 graph be? 
Physics
Who originally designed the planetary model of an atom? Bohr or Rutherford 
physics
Given three vectors a~=Ài~À4j~+2k~ , b~=3i~+2j~À2k~ , c~=2i~À3j~+k~ , calculate a~Á(b~c~) 
physics
At the end of a race a runner decelerates from a velocity of 7.00 m/s at a rate of 0.300 m/s2. 
Physics
Why does the volume of air bubble increase as it rises toward the surface? 
Physics
If Jenn walks at a speed of 1.75 m/s for a total of 3.0 minutes, how far has she travelled? 
physics
A vector has a magnitude of 18.0 cm and makes an angle of 103.0° with the positive xaxis. 
physics
Find the area enclosed by the curve y=sinx and the xaxis between x=0 and x=22/7 
physics
Find the area enclosed by the curve y=sinx and the xaxis between x=0 and x=22/7 
physics
Find the area enclosed by the curve y=sinx and the xaxis between x=0 and x=22/7 
physics
Find the area enclosed by the curve y=sinx and the xaxis between x=0 and x=22/7 
physics
Find the area enclosed by the curve y=sinx and the xaxis between x=0 and x=22/7 
physics
An 80kg astronaut has a weight of 120N. How many radii above the earth is he? 
physics
an electron (m= 9.11 x 10^31 kg) and a proton (m+ 1.6 x 10^27 kg) are separated by 1.0 x 10^10 m. what is the gravitation force between them? help please! 
Physics
If a 1.5V battery stores 5.0kj of energy,for how many minutes could it sustain a current of 1,2A? 
physics
find the impulse on a baqseball that is hit 80N of force in a time of 0.52 s 
Physics
Classify the following measurements as scalar of vector quantities. A.) 15 s B.) 4.2 m ( up) C.) 100 km/h (S) D.) 2.8 kg 
physics
Calulate the amount of substance io 120g of trioxocarbonate (iv)ion,co2 
physics
Calulate the amount of substance in 120g of trioxocarbonate (iv)ion,co2 
physics
a cannon fire a .453 kg shell with initial velocity vi=9m/s in the direction 50 
Physics
Find positions on the x axis for the charges Q1 = 1 C and Q2 = +3 C so that the electric field is zero at x = 0. 
Physics
I got 240mph by using a diagram but my lecture said i am wrong 
physics
if a proton and an electron are released when they 2.0 x 10^10 m apart, find the initial acceleration of each of them 
physics
What voltage is applied to the 5.00 µF capacitor of a heart defibrillator that stores 35.0 J of energy? In kv. 
physics
610 C passes through a flashlight in 0.510 h. What is the average current? 
Physics
How long in seconds does it take for a car accelerating at 3.5m/s2 to go from rest to 120km/hr 
Physics
what is the power dissipated in an ac circit in which current v=230sin(wt+90) and I=10sin(wt)...plz help me 
physics
The units of heat are equivalent to those of which one of the following quantities? 
Physics
How much work must be done on a 500kg car to accelerate it from 29km/hr to 112km/hr? 
physics
determine the magnitude of the centripetal force that acted on the whirling ball?? 
physics 11
Displacement i sgivenby x=2+3t+4t2. Find the value of instantaneous acceleration. 
Physics 11
Displacement is given by x=2+3t+4t². Find the value of instantaneous acceleration. 
physics
Why projectiles launched at complimentary angles have the same range?