210,322 results, page 31
What does it mean to have a 99.1% experimental uncertainty or percent deviation
Full explanation of transverse wave with sutable example
the formula of centripital accelaration is v>2/r Q:Why here is square of speed ?
Find the displacement of the car after 5.9 s. Answer in units of m
A car accelerates from rest to 90km/h in 10 seconds.What is its acceleration in m/s2?
What is the wavelength in metres of an electromagnetic wave with a frequency of 10^14/s?
44 foot skid from a jeep cherokee, how fast was it traveling.
the input to a 93.33 efficient belt drive system is 75 kw. what is the output ?
with what speed does a hammer dropped from a height of 23 m strike the ground?
a force of 20 n acts on a 5 kg block. calculate the acceleration of the object.
What air temperature will feel four times as warm as 0 °F?
How does a “pop bottle” rocket use the principles of motion
explain the terms uniform acceleration and average speed.
how much work is done to drag a 25kg sled 80m?
what is the power if it takes 11s to drag the sled 80m?
find the resultant force 10N and 20N acting at 30¡ã
calculate the work done in lifting a 300 N weight to a height of 10 m.
isolate for t s = ut + 1/2at^2 please show all ur steps
The volume of a block of lead that has a mass of 33.6g would have to be?
what will be the young's modulus of copper wire pf length 0.15 m and radius 0.2 cm
Which best explains why openness is important to the progress of science?
How far does water travel if you restrict the hose opening by 80%
Why the blood pressre in human greater at the feet than in the brain?
How many joules of energy are required to melt 80g of silver.
What is the acceleration (in m/s^2) of a vehicle that changes its velocity from 85 km/h to a dead stop in 13 s?
The ratio of velocities of sound in hydrogen and oxygen at stp is???
what is the northwest and eastward components of a 550 kph velocity?
a plane travelling at 200.0m/s braked to a stop in 6.2s. what was its acceleration?
What is the change in velocity (in m/s) if an impulse of 225 N acts on a 4.5 kg mass for 3.0 s?
Why are cars made with bumpers that can be pushed in during a crash?
Vector B~ has x, y, and z components of 9.6, 6, and 8.5 units, respectively. Calculate the magnitude of B~ .
what is the pressure on the bottom of an aquarium 0.3 m deep filled with water
Calculate the energy absorbed when 8.5g of ice is melted at 0 celsius
What effect does the normal force have on the coefficients of friction?
Write down the ORDER OF MAGNITUDE for the numbers given: a)4.72*10^-7 b)8.65*10^4 C)7.59*10^-5
What is the torque produced by a force of 40N j applied at the point 2 m i - 5 m j + 3 m k?
what do you think will happen if a blackhole and a whitehole are close to each other
If 7.20 kg of ice at -5.00°C is added to 12.0 kg of water at 30°C, compute the final temperature.
Three vectors A,B and C have the following x and y components Ax = 3.6, Ay=-3.4; Bx=-5.5, By=1.9; Cx=2.5, Cy=3.4 What is the magnitude of A+B+C?
Find the pressure at the bottom of a swimming pool that is 1.1 m deep.
what is the acceleration of a car going 25m/s on a cloverleaf with a radius of 45 m?
Calculate the Specific Gravity of an object that sinks in water if m = 21.97 g and mA = 17.40 g.
If I use 1.013x10^5 instead of given 101kpa....is it wrong?
Why we have to know refractive index and can use this in normal life?
What will be apparent length of a rod 1m long moving with 0.7c
At a distance of 2.0 m. from a +8.0 x 10^-6 C charge, the magnitude and direction of the electric field will be?
is electric field intensity the same as potential difference?
Show that the function y(x,t) = X^2+V^2t^2 is a solution of the general wave equation.
Do the mass of a body determine the gravity they possess(sun)
find a unit vector parallel to the resultant of vectors : A=2i^+j^-k^& B=3i^-2j^+2k^
Why are electrons allowed to fall on a crystal plate for diffraction ?
The circuit has two resistors? V= 22V R= 27 Komega R=? I= 12mA
three resistors are connected in parallel R1=10, R2=50, R3=25.what is the equivalent resistance
An astronaut has a mass of 60kg.what is her weight here on earth
a car starts from rest and accelerates at 6m/s^2.how far does it travel in 3s?
How does a vaccum flask minimize heat change with surrounding
An electric field with constant magnitude and direction is said to be?
What are the charges on and the potential difference across each capacitor in the figure if V = 13.2 V?
A man walks 3km E and then 4km N. What is his resultant displacement?
What is the frequency of a blue light with a wavelength of 487nm?
what is the heat capacity of a gold ring that has a mass of 7.00g
prove that I=square root of (I^2avarage). using I=Iosin(wt)
A streetlight hanging above a road has what type of engrgy?
Which idea did Isaac Newton’s experiments with light support?
For what values of "a" and "b"will the vectors 2i^_3j^_k^ and ai^+bj^_2k^ be parallel to each other?
A Car Of Mass 280kg Moving With A Velocity Of 30m/s
Calculate the λSWL for molybdenum, when the accelerating potential is 15 kV
Mass=2.20 T=10 Friction=0.400 Determine the acceleration when x=0.400m
you are moving at 12m/s towards a mirror,what is the speed of your image?
How do you determine the mass of fuel in a semi truck?
Write 2.38x10 to the 6th power in standard notation
How far does a runner travel if they maintain a speed of 8.5 m/s for 240 s?
Does drift velocity depend upon the area of conductor?
What is the kinetic energy of a 15 kg dog that is running at a speed of 8.7 m/s (about 19 mi/h)?
What is the acceleration of a 10-N freely falling object with no air resistance?
Joseph drives his car 10 km [E20 °S] then 25 km[N]. What is his total displacement?
Determine the relative density of a regular shaped object
When 20 kJ of heat is removed from 1.2 kg of ice originally at -15 C, what is the new temperature?
Determine the mass of the earth from the known period and the distance of the moon
What is the rotational speed of the hour hand on a clock? -----rev/s
What is the rotational speed of the hour hand on a clock? -----rev/s
What is the period (in seconds) of a simple pendulum 62.0 cm. long, on the earth?
Hi, do you know how angular velocity relates to a "tight spiral" in football?
State the factors that affect the speed and the rotation of the motor
Describe a vibration that is not periodic. I'm not sure how to answer this! Please help?!
How long does it take for sound to travel around the world ?
determine the velocity of a charge that push by the 16 volts source
a body of mass 2 kg moving with a speed of 10 m/s find its momentum
Why the household appliances starts / runs as soon as we switch them on
describe the shape of the graph made and discuss its significance.
Is the motion of the rider for each angle of inclination uniformly accelerated? Why or why not?
A coil of wire has a resistance of 31.8Ω at 28 °C and 55.6Ω at 53 °C. What is the temperature coefficient of resistivity?
How much positive and negative charge is there in a cup of water
Calculate the commutator [ p, e^ik.x ] where the function e^ik.x may be expanded as: e^ik.x = ∑infinite,n=0 (ik.x^n/n!)
from newton's second law of motion derive the formulae F=ma
What is the energy of a photon of yellow light with a frequency of 5.14 Ã— 1014 Hz?
What does it mean when the position vs. time graph is below the x-axis?
What is the polar notation for a vector that points from the origin to the point (0,5.00) ?
if the velocity of wave is 0.15m/s and the frequency is 20Hz, what is the wavelength?
Name five distinct disciplines of physical sciences