Physics!
74,459 results, page 48

Physics
By what distance must two charges of +2 C and +4 C be separated so that the repulsive force between them is 4.10 1010 N? 
Physics
An ideal gas performs 453 of work and loses 45J of internal energy 
Physics
The parabolic TV antenna receives electromagnetic waves from satellites. What is special about these rays? 
physics
what is the net electrostatic force on the charge q3 48ìc due to charges q1 (+78µC) and q2 (+50µC) 
physics
How much charge passes through a crosssectional area of a copper wire in 0.8 s if I = 3.5 A? 1 C 
integrated chemistry and physics
If 2 blocks have the same mass which one has the greater acceleration? 
Physics
find the altitude change of a 10,000 kg fighter which climbs and in doing so loses 100 m/s of airspeed 
Physics
find the altitude change of a 10,000 kg fighter which climbs and in doing so loses 100 m/s of airspeed 
PHYSICS
A BODY CHANGES IT'S VELOCITY FROM 20M/S UNTIL IT COMES TO REST IN 10 SECONDS.WHAT IS IT'S ACCELERATION 
Physics
An object is thrown upward with a speed of 21.5 m/s. How high above the projection point is it after 2.06 s? 
physics
What is the velocity of an object that falls from a cliff tot he ground which is 20,000 centimeters below? 
physics
a 60kg sprinter accelerates from rest at 2.5m/s east for 4s. what force is acting and what is his final speed? 
physics
a 333 hz and 337 hz tuning forks are struck simultaneously. whats will be the beat frequency? 
physics
Calculate the speed of sound wave in air if its frequencies and wavelengths are 256Hz and 1.32m 
physics
Consider the equation mv0 +3mv0 = 4mvf. Where m and v0 are constants, Solve for vf. Simplify answer. 
Physics
What will a spring scale read for the weight of a 75 kg woman in an elevator that moves upward with acceleration 0.30 g? w=? 
physics
a car starts from rest and accelerates uniformly at 2m/s for 10second. what is its velocity at the end of 10 second? 
Physics.
when an e and a positron collide they're annihlated and their mass converts to engery. the energy released is? [1.64x10^13 J] 
Physics
Suppose the circular track in the figure below has a radius of 104 m and the runner has a speed of 3.3 m/s. 
Physics
Suppose the circular track in the figure below has a radius of 104 m and the runner has a speed of 3.3 m/s. 
physics
Doubling the frequency of a wave source doubles the speed of the waves. ( True or False) 
physics
a 10,000hg car rounds a curve of radius 1200ft at 50mph what is its centripetal acceleration? 
Physics
If you must stop your moving car in a hurry, should you slam on the brakes and lock them? 
physics
If an engine produces a (mass flow rate) of 100kg/s of thrust, what is the force in Newtons? 
Physics
How does the speed frequency distribution graph change for a given gas as the temperature is increased? 
PHYSICS
2. How does the speed frequency distribution graph change for a given gas as the temperature is increased 
physics
An 80 kg man on a 10 kg stretcher is being pulled upward with constant speed. What is the tension on the rope ? 
physics 102
What are the wavelengths of electromagnetic wave in free space that have the following frequencies? (a) 3.00 10^19 Hz pm (b) 7.50 10^9 Hz cm 
physics
i want a simple laboratory method of determining a young modulus of a long thine wire 
Physics
A car travels in a straight line for 3.9 h at a constant speed of 83 km/h . What is its acceleration? Answer in units of m/s2 
physics
Which has the greater acceleration, a car that increases its speed from 50 to 62 km/h, or a bike that goes from 0 to 12 km/h in the same time? 
physics
At a certain instant a moving object comes to momentary rest. Is it accelerating at that moment? 
physics
A bug completes one lap along the edge of a circular planter of radius 14.4 cm in 12.94 s. 
Physics
A rollercoaster travels 135ft at an angle of 58.7 above the horizontal. How far does it move horizontally? 
Physics
A car travels in a straight line for 4.8 h at a constant speed of 63 km/h . What is its acceleration? Answer in units of m/s 2 
physics
A ball is dropped from the roof of a building. How much time does it take to reach a velocity of 15.4 m/s? 
physics
what is the acceleration due to gravity at a distance of 2 earth radii abouve earths surface? 
Physics
A ball was thrown straight up at 26.2 m/s then caught at the same place it was released. How many seconds was it in the air? 
physics
A ball was thrown straight up at 20.7 m/s then caught at the same place it was released. How many seconds was it in the air? 
physics
If motion of a particle of mass (m) is given by y=ut+1/2gt^2 (square).find force acting on it 
physics
A 6.0 Kg object undergoes an acceleration of 2.o m/s squared. what is the magnitude of the net external force acting on it? 
Physics
What is the speed of a hockey puck of mass 0.15 kg if it experiences a force 60 in N for the extent of a slap shot of 0.25 m? 
physics
If a ferris wheel has the radius of 5 meters, and one revolution takes 32 seconds, what is its speed? 
Physics
Identify the causes of conductive and sensorineural hearing loss. I have no idea. Please help. 
physics
why one cannot find the north pole of the earth using only a simple compass 
physics
what device could use th earth's magnetic felds to produce energy and how it would work? 
PHYSICS ASAP!
A Football is kicked 66.6 meters in 5.39 seconds. What was the initial velocity? Magnitude and Direction 
Physics
Janetjumpsoffahighdivingplatformwith ahorizontalvelocityof2.96m/sandlandsin thewater2.8slater. Howhighistheplatform ?Theacceleration ofgravityis9.8m/s2. 
Physics
you throw a ball upwards in the air at a velocity of 80m/s how fast will it be moving at 3 sec? 
Physics
Contrast the metric units of distance, time, and speed. Describe the relationship between them. 
Physics
2. Contrast the metric units of distance, time, and speed. Describe the relationship between them. 
physics
2. Contrast the metric units of distance, time, and speed. Describe the relationship between them. 
Physics
2. Contrast the metric units of distance, time, and speed. Describe the relationship between them. 
Physics
2. Contrast the metric units of distance, time, and speed. Describe the relationship between them. 
Physics
2. Contrast the metric units of distance, time, and speed. Describe the relationship between them. 
physics
If a race car completes a 4mi oval track in 73.2s, what is the average speed in units of mi/h? 
physics
If a race car completes a 4mi oval track in 73.2s, what is the average speed in units of mi/h? 
physics
If a race car completes a 4mi oval track in 73.2s, what is the average speed in units of mi/h? 
sciencephysics
What is the formula to calculate the speed of the electron the has a mass of 0.910000000000000000000000000000 kg and a radius of 0.5290000000000 m? 
physics
determine the energy of a photon radio wave electromagnetic radiation. i know which formula to use 6.64*10^34 what 
Physics Help Please!
A microwave oven operates at 2.80GHz . What is the wavelength of the radiation produced by this appliance? 
Physics
When dealing with circular motion; a string with the length of .4m is being spun horizontally, is the radius .2m? 
physics
A car travels in a straight line for 4.8 h at a constant speed of 57 km/h . What is its acceleration? Answer in units of m/s 
Physics
A cable lifts a 1060kg elevator at a constant velocity for a distance of 39 m. What is the work done by each of the following? 
Physics
A cable lifts a 1060kg elevator at a constant velocity for a distance of 39 m. What is the work done by each of the following? 
physics
Wind gusts create ripples on the ocean that have a wavelength of 5.00 cm and propagate at 2.00 m/s. What is their frequency? 
physics
How high will an object rise if it is projected upward at a 45 degree angle and an initial velocity of 50 m/s? 
physics
How high will an object rise if it is projected upward at a 45 degree angle and an initial velocity of 50 m/s? 
physics
what is the reasonable temperature (Th anh Tc) for an ideal (caront) refrigerator that have coefficient of performance of 13 
physics
a 747 airliner reaches its takeoff speed of 170 in 35.0 .what is the magnitude of its average acceleration 
physics
If a solid is stretched or compressed beyond the point that it can return to its original shape it has passed its 
physics
Calculate the speed of an 7.6×104 kg airliner with a kinetic energy of 1.2 × 109 J. Answer in units of m/s 
physics
what is the force per meter on a wire carrying 7.5A current when perpendicular to a 0.70T field? 
physics
Rank, from smallest to largest, the pressures in the tank of motionless fluid shown in the figure. 
physics
What is the wavelength associated with a golf ball of mass 45 g driven off the tee with a velocity of 30 ms1. 
Physics
A 155 N force is applied to the end of a 40 cm wrench at a angle of 45 degrees to the handle. What is the torque? 
physics
Your friend says his remote control car travels at a velocity of 1.5 m/s. What is wrong with that statement 
physics question
find the force exerted by proton and the electron in a hydrogen atom they are 5.0 X 10^19 coulomb 
physics
A 1.00 x 10^3 kg sports car accelerates from rest to 25.0 m/s in 7.50 s. What is the average power output of the automobile engine? 
physics
What must be the magnitude of the force of static friction between the surface and the bottom of the crate? 
physics
a ball is thrown vertically upward at a speed of 45 m/s. how long does it take to return to the ground? 
Physics
You have a circular table. You measured its radius to be 10 cm with an uncertainty dr =+/ 3mm. The area would be A +/ a cm^2. a. What is A? b. What is a? 
Physics
You have a circular table. You measured its radius to be 10 cm with an uncertainty dr =+/ 3mm. The area would be A +/ a cm^2. a. What is A? b. What is a? 
PHYSICS
how far will a 1000kg car travel in 10 sec if it is accelerated from rest by a force of 5000N 
physics
Determine the net force needed to cause a 1310kg sports car to accelerate from 0  28.6m/s[fwd] in 5.6 s 
physics
A plane cruising at 251 m/s accelerates at25 m/s2 for 9 s.What is its final velocity?Answer in units of m/s 
Basic Physics
If a swimming pool has dimensions; 28.2 5m x 10.0m x 2.30m, when it is full of water, what is the force on the bottom ? 
physics
A spring has a force constant of 70000 N/m. How far must it be stretched for its potential energy to be 21 J? 
physics
what will happen to the bone structure if earth becomes more dense than its actual density? 
physics 11
By how much would 1200 W kettle, which is 72% efficient raise the temperature of 0.60 kg of water in 3.0 min? 
physics
what has no beginning and no end. it is also considered as the medium for light in einstein's theory of relativity 
physics
An argon atom has a mass of 6.64 x 10 kg has 5.5x108 joules of kinetic energy. At What velocity is it moving? 
physics
calculate the friction force of an object? if weight=19600,vi=30ms1,vf=0ms1 and S=100m. 
physics
if a car moving 180km/h reduces to 72km, what is the percentage change in kinetic energy? 
Basic Physics
What is the force of gravity between two spheres that have a mass of 8 kg and are separated by 27 m? 
physics
find the force if f between charges of +100mc 50mc located 50cm a part? 
physics
find the force if f between charges of 100mc 50mc located 50cm a part? 
physics
what is the kinetic energy of a 3 kg 20 cm diameter bowling ball with a linear velocity of 4m/s? (rolling and spinning) 
physics
the magnitude of the tongue produced by a 3.0n force applied to a door at a perpendicular distance of 0.25 m from the hinge 
Physics
How many joules would be required to raise the temperature of 20g of ice at oC to water at15C?