Math/Physics

207,240 results, page 42

Physics

Question: When a balloon is rubbed with fur, it becomes negatively charged. Explain why?

physics

A distance runner moves at a constant pace of 4.1m/s. how far (in m) does he move in 30 minutes?

physics

stone dropped from a tower if steady wind blows in the horizontal direction

physics

Start from the origin and go east for 80km. Then go north 192 km. Make a drawing.

physics

what happens when a resistor is used to heat a brass rod and allowed to cool?

physics

Two vectors A and B are added. Show that the magnitude of the resultant cannot be greater than A+B or smaller than l A-B l.

Physics

Two point charges, +3.09 µC and -5.65 µC, are separated by 1.19 m. What is the electric potential midway between them

Physics

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

physics

A baseball goes from zero to 40 m/s in 0.206 s. What is its average acceleration? Answer in units of m/s2

physics

if a 1 kg rock is thrown at a speed of 20m/s, how much kinetic energy does it have?

physics

if a ball is thrown into the air at a speed of 22 m/s what is its position after 2.8 seconds?

Physics

Does an object still possess any kinetic or potential energy at absolute zero?

physics

A bus that is traveling at 35.0 km/h, speeds up at a constant rate of 3.4 m/s2. What velocity does it reach 6.8 s later?

physics

Two point charges, +4.00 ìC and -7.00 ìC, are separated by 2.20 m. What is the electric potential midway between them?

Science: Physics

A circle graph has labeled segments of 5.7%, 21%, 13, and 6%. What % does the unlabeled segment have?

physics

What is the kinetic energy of a car of mass 1900 kg moving at a constant speed of 21 m/s

physics

a 1200 kg car goes from 15m/s in 16s. What is the average force acting on it?

physics

a car starts from rest and accelerates for 7.8s with an acceleration of 2.3 m/s squared. how far does it travel

physics

A bus slows down uniformly from 79.6 km/h (22.1 m/s) to 0 km/h in 15 s. How far does it travel before stopping?

physics

Any object that moves through the air (or space) under the influence of gravity is...?

physics

If a car moves at 36km/h accelerate uniformly at 4m/s calculate it velocity in 2 seconds.

physics

Name two factors that dertermine the quality/timbre of a musical note.

physics

Name two factors that dertermine the quality/timbre of a musical note.

physics

a plane stops from 250 mph in 25 seconds. Calculate the planes acceleration

physics

A project is fire at angale of 45 with x-axis with the K.E 100J what is its K.E energy at maximum height?

physics

A bus that is traveling at 31.0 km/h, speeds up at a constant rate of 3.7 m/s2. What velocity does it reach 6.8 s later?

physics

into which part of the fridge-freezer will the rate of heat transfer be greater?

physics

Discribe the phase change that took place in the solid between the time t1 and t2?

physics

A man walks 15m north then 20m at 32° E of N and then 11 m at at 15° S of W determine his net displacement

physics

A man walks 15m north then 20m at 32° E of N and then 11 m at at 15° S of W determine his net displacement

physics

True or false, the acceleration of an object and the net force acting on it are proportional.

PHYSICS

Two vectors and have magnitude A = 2.90 and B= 3.00. Their vector product is A X B= -4.91 + 2.08. What is the angle between A and B?

physics

A 62.0-kg runner has a speed of 4.90 m/s at one instant during a long-distance event.

Physics

Two point charges, +3.90 ìC and -7.50 ìC, are separated by 3.30 m. What is the electric potential midway between them?

physics

The Earth moves toward you through what distance? (Assume the seat is 45.0 cm high.)

physics

Find the resultant of two vectors 7N and 8N inclined at an angle of 65 degree to each other

Physics

At what projection angle will the range of a projectile equal to 5 times its maximum height?

physics

is it possible to launch satelite whìch rotates just above kathmandu?

physics

what is net force acting on the ball after attaning terminal velosity?

physics

a bag weighing 9.4kg is dropped 1m onto concrete, what is the impact force in kg

physics science

if you wish to warm 95 kg of water by 20.0c for your bath how much heat is required

physics

a 1540 kg truck is traveling at 95 km/hr. what average force is required to stop in 10 seconds

Physics

When a quarter, a nickel, a penny, and a dime are flipped; what are each of their revolutions per minute?

physics

Determine the normal force for a laundry basket with a mass of 4.3 kg in each of the following situations

physics

explain why air moving over an object can increase its rate of cooling.

physics

What is the total force on the bottom of a swimming pool 20.5 m by 8.0 m whose uniform depth is 2.1 m?

physics

what is the force of gravity on a mass of o.5kg hanging by a string in a beaker of water

physics

What is the downward force on a ball with a mass of 7.5 x 10^-1 kg thrown in the air due to gravity?

Physics

By what distance must two charges of +2 C and +10 C be separated so that the repulsive force between them is 3.70*10^10 N?

Physics

What is the age in years of a bone in which the ratio 14C/ 12C is measured to be 2.3×10^−13?

Physics

What is the age in years of a bone in which the ratio 14C/ 12C is measured to be 2.3×10^−13?

physics

M.I. of rectangle made by bending rod of length "l" into rect. of 2a and a side.

physics

how do we calculate the height of a falling ball with a mass of 0.5kg and a velocity of 10m/s.

physics highe school

Explain the different sections of the graph in as much detail as you can?

physics

i want to know the force of 3.0 kg weight dropped from 1.0 meter height for breakage testing purpose

PHYSICS 1A

how much current is drawn by a lamp that has a resistance of 1.2 O when a voltage of 6.8 V is impressed across it/

science

hello! I need good sites that can help me with my physics class! do you have any ideas??

physics

If you move 10 km North, 10 km East, and 10 km South, a) What is your displacement? b) What is the total distance you traveled?

physics

please help me i don't know the answer. What is the mathematical relationship between frequency and wavelength for an EM wave?

physics

what is the gravitational potential of a 2kg book that is on a shelf 2 meters off the ground?

physics

What is the concentration (in g/100ml ) of a solution which has 2,8g of NaCI dissolved into 88.0ml of water?

physics

Identify correct unit of a measurement. Distinguish Between mass and volume

physics

Calculate the total force of the atmosphere acting on the top of a table that measures 1.9 m by 2.3 m.

PHYSICS

HOW DO YOU FIGURE OUT A VALUE OF ACCELERATION? CAN IT BE THE SAME AT TWO DIFFERENT TIMES?

General Physics I

What is the spring constant of a 129N object the vibrates at a period of 4.98s?

Physics

Find the mass of an object with the acceleration 15m/s^2 when an unbalanced force of 90.0N acts on it

Physics

A car traveling at 14 m/s accelerates at 2.11 m/s2 for 14 seconds. To the nearest meter how far does it travel?

physics

How long is a rocket in the air if it is shot at an angle of 55¢ª with an initial velocity of 25 m/s and traveled for 88 m

Physics

What equation gives the velocity as a function of time for an object with constant acceleration?

physics

What equation gives the position as a function of time for an object with constant acceleration?

physics

A hockey puck has no friction on it. It has a mass of 0.28 kg and experiences a force of 48 newtons. What is its acceleration?

physics

application of and the concept of heat and temperature in technology.please can u give me the link.thanks

physics

a runner who has a mass of 52 g , has a momentum of 218 kg/m/s along a trail. what is the runners velocity?

Physics

A car travelled at an average speed of 200km/h. What distance does it cover in 10minutes.

physics

A force of 2 kg weight acts on a body of mass 4.9 kg .Find the acceleration produced.

physics

A force of 2 kg weight acts on a body of mass 4.9 kg .Find the acceleration produced.

physics

What is the rotational speed of the minute hand on a clock? Convert from rad/s to rev/s

PHYSICS

a 1500kg sports car accelerates from 0 to 30 m/s in 8 seconds. Whaat is the power of its engine?

physics

What are the factors that affect the quantity of heat needed to raise the temperature of a substance?

Physics

An object has a mass of 8.99KG and is moving at 2.55 m/s. How much kinetic energy does it have ?

science physics

When all forces acting on an object are combined together, what's the result known as

Physics

If a thunderstorm is heard 5 seconds later. How far away did the lightning strike?

physics

Two vectors and have magnitude = 3.08 and = 3.08. Their vector product is = -5.07 + 2.00 . What is the angle between and

Physics

Why would you get an e3lectric shock if you flew a kite close to the electricity wires?

Physics

Why would you get an e3lectric shock if you flew a kite close to the electricity wires?

physics

A young girl is on a swing that completes 20.0 cycles in 25 seconds. What are its frequency and period?

Physics

Would it have been possible to make DNA a binary code?

physics

How long, in seconds, is required for a car traveling at a speed of 32 km/hr to travel 110 m?

Physics

A ball thrown upward at 60.0 m/s has what speed after 5 seconds? What equation do I use?

Physics

Find the velocity of a car of mass 1300kg and has kinetic energy of 3800 J.

physics

A 6.2kg piece of metal displaces 0.80 L of water when submerged.Find its density.

physics

What is the weight of each of the following masses at Earths surface? A) 25g. B)102kg. C) 12mg

physics

when a car goes around an 8-km track in 20-minutes. what is the average speed and velocity.

physics

State how the centripetal force is provided in the case of a satelite orbiting the earth

Physics

what is your power output if you climb a 2m ladder in 10 seconds? suppose your height is 565N.

physics

what are the methods of computing the veolicty of a particle in one- dimensona motion from a graph ?

Physics

Given 435 in^3 of nitrogen at 1340psi (absolute) at 72.0°F. Find the volume at 1150psi at 45.0°F.

Physics

what 2 properties of carbon make it a good material to use for motor brushes?

physics

Which of these is not an application of electromagnetic induction? A) Radio.B) None of these.C) Sound.D) Light.E) All of these are.

physics

To the nearest tenth of a Joule, what is its maximum kinetic energy of the pendulum in problem 2?

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