Math/Physics

206,551 results, page 33

physics

A car brakes, changing from 18 m/s to 6.0 m/s in 3.0 seconds. How far did it travel in this time?

physics

you drive 2.0 km east and then 1.0 km northeast. What is your total displacement from the starting point?

physics

A fully loaded 737 aircraft takes off at 250 {\rm km/h}.

physics

What relationship should be used to solve this situation? 1. x = v − t 2. x =v/t 3. x = vt 4. x = v + t 5. None of these

physics

a 1500 kg car accelerates from 0 to 25 m/s in 7.0 s. What is the average power delivered to the engine?

physics

0.24 h to reach the school from your house. velocity of the bus is 19.7 km/h to the east, what is the displacement?

Physics

A car brakes from 18 m/s to 6.0m/s in 3.0 seconds. How far did it travel in this time? I got 36 m...

physics

What is the average density of Mars? Mass = 6.42 x1023 kg, radius = 3390 km.

physics- urgent

an object travels at a rate of 48.5 km/sec. how many cm/min would that be

Physics

An airplane normally flies at 280 km/h. What is its airspeed if it experiences 80 km/hr headwind?

Physics

An airplane normally flies at 280 km/h. What is its airspeed if it experiences 80 km/hr headwind?

physics

An object is thrown vertically upward with a speed of 31.8 m/s. How high does it rise?

Physics

The sum of 5.2713x10^3 + 6.54014x10^3 expressed to 4 significant figures would be?

physics

An object is thrown vertically upward with a speed of 22.4 m/s. How high does it rise?

physics

An object is thrown vertically upward with a speed of 22.4 m/s. How high does it rise?

physics

What force is needed to accelerate a child on a sled (total mass = 65.0 kg) at 1.75 m/s^2

physics

What capacitance is required to store an energy of 13 kW·h at a potential difference of 940 V?

physics

if a car was compacted into a cube would the weight change?

physics

5. What is the acceleration of a 20 N object that is pulled up a 30° incline by a 25 N force? The coefficient of friction is 0.30

physics

5. What is the acceleration of a 20 N object that is pulled up a 30° incline by a 25 N force? The coefficient of friction is 0.30.

physics

in what direction should a force be applied to produce maximum torque.?

Physics

How much work is required to stop an electron (m= 9.11 * 10^-31 kg) which is moving with a speed of 1.80×10^6 m/s?

physics

would an object weigh more or less if there were no atmosphere on earth

physics

whats the acceleration of a car traveling 402 meters in 6 seconds

physics

The rate at which distance changes in a time period is called acceleration

physics

What angle does the tangent to the curve y(x)=sin^2(x/9)+16sin(x/9) at x=9\pi make with the x-axis?

physics

is the force exerted by the wall on the person’s hand passive or active?

7th grade Physics

Give 2 examples of force pairs when you do your homework?

physics

How much work will a net force of 56·N west do on the cart as it moves 1·m?

physics

what's the resulting acceleration when unbalanced force of 98N applied to a 5.1 kg object?

physics (Science)

If a bee flew 27 centimeters in 10 seconds what would its speed be?

physics

all electric charges are multiples of the charge on an electron, or atom?

physics

What force is required to accelerate a 90kg bike to 20 m/s in 15 sec? I need to know HOW to do it!

physics

With acceleration of 2500 m/s2, how long will it take to rreach speed of light

physics

What force is required to accelerate a 90kg bike to 20 m/s in 15 sec? I need to know HOW to do it!

physics

With acceleration of 2500 m/s2, how long will it take to rreach speed of light

physics

Calculate the mass of the Earth, if it had a radius of 3000 km and a gravity of 6 m/s^2.

physics bob

yeah im really confused. is there any way i can pay you to be my tutor

physics

A car that decreases its speed from 100 km/h to 20 km/h undergoes ______ acceleration.

physics

express the angular velocity of the second hand on a clock in rev/hr

Physics

How do you calculate the energy needed to heat 4 kg of water from 25oC to 45oC?

Physics

A football is thrown at 14.0 m/s at an angle of 35.0 degrees. How far away does it land?

Physics

How long would it take (in seconds) to travel 1 km at a speed of 100 km/h?

physics

A 5 kg block of average density .625 kg/m^3 has a volume of about _____ cu. m

physics

A 5 kg block of average density .625 kg/m^3 has a volume of about _____ cu. m

Physics

You are standing 0.75 m from your bathroom mirror in the morning. How far away is your image from you?

physics

how long does it take to do 432 joules of work with 75 watts of power?

physics

if 478 watts of power are used in 14 seconds, how much work was done?

Physics

A 3.5 kg body accelerates from rest to 20 m/s in 5 s. Calculate: A its acceleration B the force required.

Physics

Why does tension in a rope increase as the rotational speed of a ball increases?

11th grade physics

A car slows down from +32 m/s to +8 m/s in 4s. Calculate the acceleration .

Physics

The 2010 Mustang GT accelerates from 0 to 60 mph in 5.2 seconds. What is the acceleration rate? in m/s/s?

physics

what happens to the gravitational energy of a firefighter when he slides down the firepoles?

physics

What force is necessary for a person to hold a 50 kg mass over their head?

physics

What force is necessary for a person to hold a 50 kg mass over their head?

Physics

An arrow is shot from a bow at 42 m/s at 70 degrees what is the horizontal and vertical components

physics

If 53 W of power are exerted and the amount of work done is 7 N-m, how much time did it take?

Physics

Describe Robert Millikan's experiment and what significant info he learned?

physics

if you exert a force of 500 N to walk 4 m up a flight of stairs in 4 s, how much

physics

pls show answers and work with the questions i have posted.

physics

What is the mass of a marble cylinder with a diameter of .42m and a length of 1.25m?

physics

if a wooden beam is 30 x 20 x 500 cm. and has a mass of 150 kg. what is the density of the wood

physics

what is tangential velocity of the earth as it travels in its orbit around the sun?

Physics

Calculate the volume of a spherical balloon which has a surface area of 0.0793 m2

physics

Calculate the number density of strontium titanate (SrTiO3), ρ = 5.12 g cm -3

physics

What is the height of 3.0 meter ladder leans against a wall 37 degree.

Physics

What are the components of a vector of magnitude 1.5 m at an angle of 35 degrees from the positive x-axis?

Physics

Show that work done in a wire, E=YAsqr(e)/2l, explainthe symbols. pls help.thanks

Physics

a sled is capable of reaching speeds of 450 m/s in 1.82 s then stopped in 1.92 s what is the acceleration

Physics

What is the efficiency of an athlete who consumes 3000kcal of food and does 2.5 x 10*6 J of useful work?

AP Physics B

What's the equation to find the maximum height after a spring decompresses?

physics

Suppose that you have a circle with a radius of 4.02 ± 0.39 m, what is the calculated uncertainty in the area?

physics

Carrying out the following mathematical manipulations: (5.78 +/- 0.04)^2 How do you set this problem up?

Physics

If a 75-kg skater starts his skate at 8.0m, at his lowest point (height = 0), what is his velocity?

physics

A car has an acceleration of 16 pc/y2. This value can be CONVERTED into which of the following units?

physics

what is the kinetic energy of a 200 g bullet travelling at a velocity of 400 m/s?

physics

how does temperature affect the time it takes to reach thermal equilibrium?

physics

a car accelerates from 5 m/s to 21 m/s at a rate of 3m/s^2 how far does it travel while accelerating

physics

there is any peak shift between bulk and nano materials in xrd.

Physics

Calculate the magnitude of the potential difference between points a and b in the figure if R1=2.36 Ù, R2=4.29 Ù,and R3=10.08 Ù.

Physics

If the amplitude of a sound wave is quadrupled, by what factor will the intensity increase?

physics

the kilowatt-hour is a unit of: force, work, power, or time?

Physics

How many calories are released when 3 grams of 100º C steam turns to 0º C ice

physics

A mass is attached to a string and then dropped. What is its velocity after 5 sec?

Physics

How much work is done in accelerating a 2000 kg car from rest to a speed of 30 m/s?

Physics

A rock is dropped from a height of 2.7 m. How fast is it going when it hits the ground?

PHYSICS

Determine the equivalent capacitance between A and B for the group of capacitors in the drawing. Let C1 = 12 µF and C2 = 4.0 µF.

physics

how high does a stone rise if it initially thrown at a rate of 15m/s?

physics

traveling at 27.78 m/s with a deceleration rate of 5m/s squared.....How long will it take you to decelerate to 0.

physics

traveling at 27.78 m/s with a deceleration rate of 5m/s squared.....How long will it take you to decelerate to 0.

physics

Three charges, +2.5 µC, -4.3 µC, and -6.0 µC, are located at (-0.20 m, 0.15 m), (0.50 m, -0.35 m), and (-0.42 m, -0.32 m), respectively. What is the electric field at the origin?

physics

Three charges, +2.5 µC, -4.3 µC, and -6.0 µC, are located at (-0.20 m, 0.15 m), (0.50 m, -0.35 m), and (-0.42 m, -0.32 m), respectively. What is the electric field at the origin?

physics

what can you say about the forces on a brick lying still on the floor?

physics

At what distance (in m) from a 3.8 mC charge is the electric potential equal to 32 V? (k = 9 x 109 Nm2/C2)

physics

if the initial velocity is .05 m/s and its final is 1.3 m/s then how much energy is lost to friction

physics

A hunk of cast concrete with a weight of 10 N will float if it displaces 10 N of water.

physics

How much voltage is there in a circuit with a resistance of 12 ohms and a current of 3 amps

physics

state 8 object each used in sport and welfare,which may be considered as projectile

physics

Why is it impossible for a material to have an index of refraction less than one

physics

How does pressure work as a restoring force to create a sound wave?

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