Math/Physics

208,687 results, page 72

physics

Consider the static equilibrium diagram below. What is the net force acting along the positive x-axis?

Physics

A bolt requires tightening to a torque of 98 N-m. If a wrench is 28 cm long, what perpendicular force should be applied at its end?

Physics

a 50 g marble is released from a height 1 m above the floor. Calculate its momentum just before hitting the ground

physics

What is the magnitude of the average acceleration of a skier who, starting from rest, reaches a speed of 10.5 m/s when going down a slope for 3.18 s?

Physics

are water waves at the beach with a velocity of 1.75m/s and a wavelength of 3.213 and frequency of 1/1.84Hz considered fast?

physics

two trains are moving towards each other with velocitied u1 and u2 see that the distance between them is x.the condition for them to not collide is

Physics

What is the momentum of a 54 kg ball just before it hits the ground when it is dropped from a height of 1.4m? What formulas should I use?!

TVTC

Physics...a diver of mass m drops from a board of 10m above water surface. find his speed at 5m

physics

A bullet in a gun is accelerated from the firing chamber to the end of the barrel at an average rate of 6.20*10^5 M/s^2 for 8.10*10^-4 s what is its muzzle velocity

Physics

Inside a metal conductor, why is it not possible to have a static charge configuration if there is a net electric field?

Physics

How high will you be when you stop rising if you jump upward with an initial vertical speed of 2 m/s? Answer to the nearest 0.1 m, and use g = 9.80 m/s2.

physics

if two forces 10N and 20N are inclined at angle 60degree to each other. Find the resultant force.

Physics

A red colored ball tossed upward reaches a maximum height of 3.0m. show that the initial speed is 7.7m/s^2.

*physics*

what is the smallest time in which a 9.00kW motor can lift a 3500 kg elevator to a height of 9.50m? use 10m/s^2 as g.

Physics

Determine the stopping distances for a car with an initial speed of 93 km/h & human reaction time of 0.80 s, for an acceleration a=−4.0m/s2.?

Physics

What is the power of an engine that pulls a 1000kg automobile at a steady speed of 10m/s along a level road?

physics

suppose that the two person,each of mass 100kg are 3meter a part in outer space.what is the magnitude of the gravitational

physics

A duck waddles 2.3m east and 7.0m north. what are the magnitude and direction of the ducks displacement with respect to its original position?

physics

how do you plot T2 2.14, 2.10, 2.08, 2.03, 2,20 and 2.30 and length .445, .54m, .497m, .50m, .53m and .555m on a graph and how do you find the gradient

physics

Calculate the speed of a satellite moving in a stable circular orbit about the Earth at a height of 4800 km.

Physics

A car going 50 m/s undergoes an acceleration of 2 m/s^2 for 6 seconds what is the final velocity ? How far did it travel while it was accelerating?

lighthouse christian college

Wich career can I take when I took english,afrikaans,lo,physics and pure maths?

Physics

The truck of a passenger car applies brakes at a velocity of 30 m/s and comes to rest 5 seconds later. What is the deceleration?

AP Physics

How fast (in rpm) must a centrifuge rotate if a particle 6.0 cm from the axis of rotation is to experience an acceleration of 130000 g's

physics

If you push a box for a distance of one meter with a force of 4,187 newtons How many calories have you used?

Physics (Heat)

Sitting under the fan on a hot day makes us feel cool.why? Give reason

physics

three forces of 10N,30N and 50N act at a point at 120° to each other.Find their resultant.

Physics

What mass must be added to 0.9kg trolly to give it an,acceleration of0.4m² when a 0.6n force is applied to it?

Physics

How many electrons pass a given point in the circuit in 17 minutes? The fundamental charge is 1.602•10^-19. And the current is 0.526315789

Physics

How many electrons pass a given point in the circuit in 17 minutes? The fundamental charge is 1.602•10^-19. And the current is 0.526315789

pure maths, agriculture,life sciences, physics

i want to know what does those subject i choose fall under which career

physics

calculate the energy evolved when 8 droplets of water of radius 1/2mm each combine into one. where s=0.072N/m.

physics

calculate the energy evolved when 8 droplets of water of radius 1/2mm each combine into one. where S=0.072N/m

Physics

Calculate the energy evolved when 8 droplets of water of radius 1/2mm each combine into one where s=0.072N/m.

physics

a cyclist does work at the rate of 500w while riding. how much force does her foot push with, when she is traveling at 8.0 m/s?

Physics

is the mechanical energy of a teflon coated block sliding down a rough incline remaining constant?

PHYSICS:

A boy weighing 350N runs up a flight of stairs consisting of 20 steps each 10 cm high in 10 seconds.what is his power?

physics

two equal vectors of magnitude 2A are inclime perpendicular to each other find the resultant and direction of vector.

physics

what is the electric flux through a sphere that has a radius of 2.2m and carries charge of 5.3 micro couloumb at its centre? solution

physics

How many hour will it take for a Bus to travel 1000 km. If it travels at an average velocity of 80 km/hr. assume constant acceleration.

physics

A bob of a pendulum 100cm long swings through 20cm,find theta in radian and degree

physics

Which of the following prefixes will multiply the unit by 1,000? Select one: a. Milli b. Mega c. Kilo d. Centi

physics

a galvanometer has a resistance 60 ohm and is of 5mA full scale deflection.how would you modify it so as to get 0-10V voltmeter

physics

a ball of mass 0.1 is thrown up with an initial velocity of 80m/s calculate the potential energy half way up

physics

please help The power rating of an electric motor which draws a current of 5 amperes from a 240-volt line is? a. 12.0 kW b. 1.2 kW c. 48.0 kW d. 4.8 kW

Physics

A pan filled with hot food cools from 94°C to 86°C in 2minutes when the room temperaturs is at 20°C .How long will it take to cool from 71°C to 69°C ?

11 physics

a20Kg box is suspended from the ceiling by arope that weighs 1Kg . find the tension at the top of the rope.

Physics projectile

If a body projected vertically upwards, give a graph showing variation in its kinetic energy

Physics

A car starts to move nd accelerated at 4m/s2 for 8 seconds (u=0 V=32m/s a=4 m/s2 t=8) How fast is it moving? How far does it travel in this time?

Physics

As the passenger cars are launched from rest at the start, they are accelerated uniformly to a speed of 57 m's (128 mph) in just 3.5 s.

physics

a stone of mass 50g is released from rest, Calculate it's kinetic energy after 6s from the beginning of the motion

Physics

A stone is dropped into a bore well 490m deep.after how time,the sound of splash of will be heard

Physics

A stone is dropped into a bore well 490m deep.after how time,the sound of splash of will be heard

Physics

When light passes from one medium to another then which of the following parameters may change? Velocity, frequency, colour or wavelenght?

Physics

Find the speed of a pendulum bob at the bottom of its swing if its initial displacement is 5.34o and its period is 2.534 s.

physics

A ball is thrown from a height h and another from 2h.find the ratio of time taken by the two balls to reach the ground.

physics

A ball is thrown from a height h and another from 2h.find the ratio of time taken by the two balls to reach the ground.

Physics

What is the pressure at a depth of 80 m in the ocean? The density of seawater is 1. 03 × 10 3kg/m3. Please express your answer in units of atm.

Physics

What is the pressure at a depth of 80 m in the ocean? The density of seawater is 1. 03 × 10 3kg/m3. Please express your answer in units of atm.

physics

A red racecar accelrates at a constant rate of 5 m/s2. How much time does it take to increase its speed from 50 m/s to 60 m/s? a. 17 s b. 0.058 s c. 0.25 s 2.0 s

Physics

Two parallel forces of magnitude 4 and 6 newton are acting on a body placed at 4m apart. Resultant force will be

physics

An object experiences an impulse, moves and attains a momentum of 100 kg·m/sec. If its mass is 50 kg, what would its velocity be?

physics

A body moves with uniform acceleration with a distance x for 1st sec. What is relation b/w x & y? A) y=24x B) y=16x C) y=12x D) y=8x

physics

a car travelling at 60km/h uniformly retards for 10s and reaches a velocity of 45km/h. find the retardation.

PHYSICS

A mass of 2kg is dropped from a height of 3m.Neglecting air resistance,KE of the stone just b4 it hits the ground is ?

Physics

ABC is an equilateral triangle of side 4.0 cm in a vacuum. There are point charges of 8.0C at A and B. Find (a) the potential, (b) the electric field at C.

Physics.

An electron in a hydrogen atom is revolving around the proton in a orbit of radius r and velocity v .find the current.

physics

A cars starts from rest and after 20 seconds its velocity becomes 108 km-1 find the acceleration of the car

physics

In the figure below, the bar is 2.4 meters long and has a mass of 145 kg. To the nearest newton what is the tension in the wire?

physics

A cylindrical glass is 15cm long its diameter is 7cm. what volume of milk can be poured in it without spilling

Physics

A fired bullet sounds is heard after2sec .its speed in air is 340m\sec.what is the distance of sound.

physics

a simple pendulum has a period of 2.0s and an amplitude of swing 5.0cm.calculate the maximum magnitude of the acceleration of the bob

Physics

If two springs have their spring constants as k1 and k2 (k1>k2 . When they are stretched by same force what will be the relation between their elongations

physics

Find the force of gravity (in newtons) on a spacecraft 15100 km above the earth's surface, if its mass is 400 kg

physics

Calculate the effective value of g, the acceleration of gravity (in meters/second^2), at 8600 km above the earth's surface.

PHYSICS

A swimmer is capable of swimming at 1.4m at still water.caculate how far downstream will it smim across 180m?

physics

What is the minimum work in joules needed to push a 1210 kg car 54.0 m up a 12.5 degree incline? (Ignore friction.)

physics

A particle is drop from a vertical height (h) and falls freely for a time (t) with the aid of a sketch explain how (h) varies with (i) t (ii) t*2

physics

On a roller coaster, a student experiences an apparent weight of 1250 N while accelerating at 2.3 m/s^2 [U]. What is the students mass?

Physics

How much energy must be removed from 30 L of liquid water at 0-degree celsius in order to convert it to ice?

physics

A cube of ice, 28 cm on each side, is melted into a measuring cup. What is the volume of the liquid water? ------cm3

physics

Probability of getting two heads among 4 coins Complete the columns r Pr rPr (r - r̄)2Pr 0 1 2 3 4 sum

physics

Probability of getting two heads among 4 coins for r = 0, 1, 2, 3, 4 find values of Pr, rPr, (r - r̄)2Pr and sum of r

Physics

if a molecules in a solid has a temp of T = hf/2k then what would be the average energy of vibration 1) 0.88kT 2) 0.47kT 3) 0.62kT 4) 0.31kT

physics

Explain why helicopters need 2 rotors to fly in a straight line. Talking about centripetal force.

physics hw

Determine the stopping distances for a car with an initial speed of 87 km/h and human reaction time of 2.0 s for the following accelerations. (a) a = -4.0 m/s2 (b) a = -8.0 m/s2

physics (science)

A body travels from rest with acceleration 8m/s square . Find its velocity when it has covered a distance of 100m

physics

A small tiny nail may Pierce an inflated Tyre and remain there without pressure reduction.explain

physics

A passengers jet flies from one airport to another 1,200 miles away in 2.5h .Find its average speed.

Physics

At what frequency would a capacitor of 2.5 microfarads used in a radio circuit have a reactance of 250 ohms

Physics

A Man Of Mass 80kg Carry A Load Of Bricks Of 20kg Up A Vertical Of Length 6m Calculate The Workdone.

Physics

A Man Of Mass 80kg Carry A Load Of Bricks Of 20kg Up A Vertical Of Length 6m Calculate The Workdone

physics

Find the limiting velocity of a rain drop assuming diameter of 5.0×10^-4m.The density of air relative to water is 1.3×10^-3

Physics

Name any Margins of error that would happen in the lab "Which path requires the most energy? (gas)

physics

a car of mass 800kg attains a speed of 25m/s in a second.calculate the power developed in the engine

physics

A ball is thrown upward with velocity 5m/s calculate total distance covered by it ?{ Using formulae (v)2 -(u)2. =2gs}

physics

a uniform rod is 1m caring a weight of 100N calculate its tension of the string holding it an the reaction at the hinge

Physics

A girl of mass 25kg runs up a stress of total height 3.0m.find the work done against gravity.

Physics

A ball is thrown with a speed of 19m/s and at an angle of 46 degrees. How high does it go above the cliff to the nearest tenth?

physics

a car acclerate uniformly from rest andattains a speed of 40m/sin 10second itcoversa distanceof

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