gravitational acceleration on Mars is 0.38 of that on Earth. The weight of an apple is 1.00 N on Earth. a) what is the weight of the apple on Mars b) what is the mass of the apple...
gravitational acceleration on Mars is 0.38 of that on Earth. The weight of an apple is 1.00 N on Earth. a) what is the weight of the apple on Mars b) what is the mass of the apple...
What coefficient of friction is needed to stop a hockey puck sliding at 12.5 m/s initially over a distance of 60.5 meters?
Nob Hill is a famous 25% grade hill in San Francisco. A ball starts rolling down the hill (starting from rest) from the top, how fast is it going when it reaches the bottom of the hill? Assume a coefficient...
W1-T=m1a T-W2=m2a Solve the problem for acceleration in terms of the masses and the acceleration due to gravity, find the function a(m1,m2,G)...
Bob walks up to a crate and begins pushing with 200N force. What is the magnitude of the frictional force? Will the box move? What is it's acceleration? the coefficient...
A solid uniform 3.33 kg disk has string of negligible mass wrapped around its rim, with one end of the string tied to the ceiling, as shown in Figure 9.7. The disk is released from rest and turns...
A 50kg wooden crate rests on a horizontal concrete floor. the coefficient of friction is μ=0.7 What is the magnitude of the frictional force? &nb...
Can someone please help me with this? I'm taking this class online and it has got to be one of the worst decisions ever. I've emailed the teacher already but she sometimes takes days to reply. http://s27...
For a light damped oscillator being driven near resonance in the steady state, show that the fraction of its energy that is lost per cycle can be approximated by a constant(which you should determine)...
How would I isolate for v on the equation 110=v2(2)-(1/2)a(2)2
if a baseball velocity is increased to five time is it original velocity, by what factor its kinetic energy increase?
The sum , difference and cross product of two vector A and B are mutually perpendicular if A and B are perpendicular to each other and |A| = |B| This...
If Vector A = 3icap + 4jcap and B= 7icap + 24jcap the the vector having the same magnitude as B and same direction as A is
The distance between the point P(2m, 3m, 4m) and the x- axis is
A marble that is rolling without slipping approaches a hill traveling at 8.50 m/s. How high vertically will the marble go: (a) if the hill is rough enough to prevent any slipping? (b)...
Acceleration of vertical: 9.8m/s^2 Horizontal distance: 26m Horizontal constant velocity: 23m/s Find height of horizontal
A car travels 100 km in the first two hours, stops for half an hour and then travels 200 km in the next four hours. Find the average speed of the car.
As an example, consider a cannon ball launched in the air. The cannon is on a cliff, 120 meters above sea level. If the cannon launches with a velocity of 300 m/s at 25°, how far from...
It is estimated that 1 million GWh of wave energy hits Australian shores annually. Australia’s electricity consumption in 2012 was 225 billion kWh. Assuming 10% of our shores had wave farms...
A location at an altitude of 1,220 m recieves annual rainfall of 790 mm. Calculate the average power density of rainwater in W/m2. You may assume that every drop of rain is captured in a dam and runs...