# physics please HELP !

74,851 results, page 50-
## Physics

If an object on Pluto has a mass of 10 kg and a weight of 6.6 N, what is the acceleration due to gravity at its location? -
## physics

A car starts from rest and accelerates for 6.7 s with an acceleration of 1.6 m/s2 . How far does it travel? Answer in units of m -
## Physics

how much work is needed to stop a 20kg bullet moving with a speed of 150m/s? -
## Physics

How does the speed frequency distribution graph change for a given gas as the temperature is increased? -
## Physics

A truck covers 40.0 m in 9.40 s while smoothly slowing down to final speed 2.35 m/s. Find its accelerations -
## physics

8. Before you drop a ball held at a height of 5m with a weight of 20 N, what is its gravitational potential energy -
## Physics

The electron-volt is _____ than the SI unit for the same physical quantity. a. smaller b. greater -
## Physics

The distance between any two points in a thermometer is 10cm.mercury level is 13 cm .temperature in Celsius? -
## physics

two forces of 10N and 7N respectively are applied simultaneously to an object . The minimum value of their resultant is, in newtons? -
## physics

Is it possible for a frictional force to increase the mechanical energy of a system? If so, give examples. -
## physics

Describe an experiment to determine the boiling point of a small quantity of a liquid -
## PHYSICS topic is pressure

Why does a person feel difficult to breathe when he is in a deep well? Please answer!!! -
## Physics

A 1.21 kg block slides down a 25.0 m long 25.0° incline at constant velocity. How much work is done by friction? -
## physics

how high must a 2 kg basketball be thrown so that the top of its arc, it has a potential energy of 160J? -
## physics

how much work can a 50.0kg wreckin ball traveling at 5.00m/s do when striking a building -
## physics- urgent

determine the estimated uncertainty for the area of circle with a radius of 10.45+-0.5cm -
## physics

compare and contrast sound and electromagnetic waves in terms of types, speed, etc. -
## physics

compare and contrast sound and electromagnetic waves in terms of types, speed, etc. -
## physics

What is the magnitude of the electrostatic force on a +5 C harge 1.75 m to the left of a -2.5 C Charge? (show your work) -
## physics

A car accelerates from rest at 7.9 m/s2. How much time does it need to attain a speed of 5 m/s? Answer in units of s. -
## physics

A stone is dropped from a ledge 45m high. What will its speed on reaching the Earth be? -
## Physics

What Net Force is necessary to give a 2.0 kg mass initially at rest an acceleration of 5.0 m/s^2? Is the answer 10. N? -
## Physics

The body mass is 0.4kg , its hung on a spring with stiffness of 90 N/m What is the frequency of its oscillation? -
## physics

At what distance would the repulsive force between two electrons have a magnitude of 8.50 N? I have no idea how to do this problem... can someone help me please... 3x10^-4/8.50? -
## physics

compare and contrast sound and electromagnetic waves in terms of types, speed, etc. -
## physics

If a man weighs 820N on d earth what would be on Jupiter, where the acceleration due to gravity is 25.9m/s -
## physics

What percentage of the takeoff velocity did the plane gain when it reached the midpoint of the runway? -
## Physics

An object of area 15sqcm and height 2 cm has a mass of 50g. what is its density in SI system -
## Physics

A polar satellite is launched at 850 km above earth.find its orbital speed -
## PHYSICS

2. How does the speed frequency distribution graph change for a given gas as the temperature is increased -
## Physics

Calculate the power of a hair dryer that operates on 120V and draws a current of 10 A. -
## physics

You can paddle at 4.5 km/h and the river is ﬂowing at 3 km/h. How far downstream will you be in 44 min? Answer in units of km -
## Physics

What are the strength of intermolecular forces of mythelated spirits ,acetone ,water and ethanol? -
## Physics

five hundred kcal of heat is added to 2-kg of water at 80⁰C. how much steam is produced? -
## physics

five hundred kcal of heat is added to 2-kg of water at 80⁰C. how much steam is produced? -
## Physics

The body mass is 0.4kg , its hung on a spring with stiffness of 90 N/m What is the frequency of its oscillation? -
## Physics

A 0.50 kg hammer is taken on a space mission. What is its weight on a planet where the acceleration due to gravity is 3.8 m/s2? 0.50 kg 1.9 kg 0.50 N 1.9 N -
## Physics

If you take a bite of pizza, the sauce may burn your mouth while the curst, as the same temperature will not. Explain. -
## physics

calculate the work done in lifting a 300N weight to a height of 10 m with an acceleration 0.5m/second square. -
## physics

A bus moves from rest with a uniform acceleration of 2ms(square)for the first 10s. -
## physics

2) The weight of tank is 50 000 kg, area of his tracks is 5 m2. What pressure acts on the ground? -
## physics

calculate the kinetic energy of a body of mass 2kg moving with a velocity of 0.1m/s. -
## Physics

How would I find final velocity at the top of an inclined ramp with a given angle theta? -
## Physics

What does shifting the phase between the sources in a double slit experiment do to the interference pattern? -
## physics

2) The weight of tank is 50 000 kg, area of his belts is 5 m2. What pressure acts on the ground? -
## Physics

A 700 kg plane is traveling at 90 m/s at an altitude of 1500 m. What is the total mechanical energy? -
## physics

If Michael Jordan has a vertical leap of 1.29 m, then what is his takeoff speed and his hang time? -
## physics

Why is it better to put ince rather than an equal mass of cold water into a drink you want to chill? -
## physics

if a ball is thrown down at an inital speed of 22 m/s, what will be its position after 2.8 seconds? acceleration is 9.8 m/s squared -
## Physics

A runner runs 2.5 km eastward and turns northward to cver twice this distance. What is his displacement ? -
## Physics

What is the force necessary to accelerate an object with a mass of 115 kg and and an acceleration of 6 m/s2 (squared) east? -
## physics

a body is thrown downward with an initial speed of 20.0 m/s on earth. what is the acceleration of the object -
## Physics

What is the normal force when a 40 kg person jumps and is accelerating at 3 m/s2 upward while in contact with the ground? -
## Physics

What is the normal force when a 40 kg person jumps and is accelerating at 3 m/s2 upward while in contact with the ground? -
## Intergated chemistry/physics

What is the speed (in m/s) of an object that has a mass of 2.5 kilogram and a momentum of 1,000 kg m/s? -
## physics

Why is it better to put ince rather than an equal mass of cold water into a drink you want to chill? -
## Physics

Calculate the distance (in ) that Larry runs if he maintains an average speed of 8.9 for 1 hour. -
## Physics

What force is required to stop a 1500-kg car in a distance of 0.20 m if it is initially moving at 2.2 m/s? -
## physics

You drop a stone down a well. You hear the splash 2.23 s later. How deep is the well? speed of sound 343 m/s -
## Physics

What acceleration would a 35 KG box have if we pushed it with a force of 275 N across a surface that has a coefficient of friction of .7? -
## physics PLEASE HELP

how do you rearrange this equation weight=T1sin57+[T1cos57/cos23.5]xsin23.5 when you're trying to isolate T1????? -
## Physics

a racing car has a uniform acceleration of 4 m/s2 What distance will it cover in 10secs after its start -
## physics

calculate the total area of the walls of a room 5m long 4m wide and 2.5m high -
## Physics

A dog is running at 9.1 m/s for 7.8 km. How long did it take him to arrive at his destination? (Give answer in seconds) -
## Physics

gazelle traveling 200 m/s is launched at a 40 degree angle with respect to the horizontal. -
## Physics

How can grounding prevent property damage and harm, even death when lightning strikes? -
## physics

Find the electric flux through each surface. (Use any variable or symbol stated above along with the following as necessary: ε0.) -
## physics

An automobile driver puts on the brakes and decelerates from 30.0 m/s to zero in 15.0 s. What distance does the car travel? -
## physics

2) The weight of tank is 50 000 kg, area of his belts is 5 m2. What pressure acts on the ground? -
## physics

A constant net force of 1500 N gives a toy rocket an acceleration of 2.5 m/s2. what is the mass in kg? -
## physics

2) The weight of tank is 50 000 kg, area of his belts is 5 m2. What pressure acts on the ground? -
## physics

What is the velocity of an object that falls from a cliff tot he ground which is 20,000 centimeters below? -
## Physics

If a tuning fork puts out a tone at 440 Hz, what is its wavelength in air at 25 degrees? -
## Physics

If a tuning fork puts out a tone at 440 Hz, what is its wavelength in air at 25 degrees? -
## physics

how old would you be, when you returned from a trip while traveling at 99.5% C if your relatives that stayed at home, were 10 years older? -
## physics

Which parameter of a projectile depends on the horizontal as well as the vertical component of velocity of projection? -
## physics

a truck moving at 100kph has a mass of 27000 kg. what force is necessary decelerate it at rate of -3 m/s²? -
## Physics

Calculate the potential energy of a 5.0 g (0.005 kg) paper airplane 5.0 meters above the ground -
## physics

what has more inertia? a toy car going 1000mph or a cruise ship sitting at the dock -
## physics

distance a cannonball travels when shot horizontally with a velocity of 28.3 at 30 degrees? I'm not sure what formula I need to use. Please help. -
## physics

From what height would a compact car have to be dropped to have the same kinetic energy that it has when being driven at 100 km/h? -
## physics

a bomb of mass 5 kg explodes in to two equel fragments. At what angle these fragment fly apart ? -
## Physics

If I dropped a bowling ball from the empyre state building, at what velocity would it descend? -
## physics

i got my data task and i need to now is there a link between the height of the slope and the average speed of the object? -
## Physics

An engine works between the two temperatures 200 C and 120 C. Calculate its efficiency in percentage? -
## Physics, PLEASE HELP!!

A long jumper jumps with the initial velocity of 12.0 m/s at an angle of 20 degrees. what is the displacement of x? -
## physics (electric charges)

Hi, How can you charge an electroscope negatively? Is it by using a positively charged rod? Can someone please help me? Thank you :) -
## Physics

An object is thrown upwards with a speed of 14.0 m/s. How long does it take to reach its maximum height -
## Physics

is the average random kinetic energy of the molecules decreasing ? ( In cooling curve) -
## physics

If motion of a particle of mass (m) is given by y=ut+1/2gt^2 (square).find force acting on it -
## College physics

To what temperature will 7700 J of heat raise 3.0 kg of water that is initially at 10.0 degrees C? -
## physics

Find the final speed of the train assuming no friction. Answer in units of m/s -
## physics

a fire hose held near the ground shoots water at a speed of 6.4m/s, at what angle should -
## Physics

A motorist travels 90 km at 120km/h , and 70km at 75km/h . What is the average speed for the trip? -
## physics

YOU PUSH A REFRIGERATOR WIT HA FORCE OF 50N AND IT MOVES 3 METERS ACROSS THE FLOOR -
## Physics

The parabolic TV antenna receives electromagnetic waves from satellites. What is special about these rays? -
## physics

How much spring elasticity would be needed to make a 50 pound child jump higher -
## Physics

A 3200kg helicopter must accelerate up at 1.0m/s^2. What minimum lift do the rotors need to produce? Thanks for answering! -
## physics

A constant 6.0N net force acts for 4.0 s on a 12 kg object. what is the objects change of velocity -
## physics

What quantity of energy is represented by 250cm^3 of a gas 100N.m^2 when the temperature is kept constant