09/20/21

An object falls from the Transco Tower in Houston and takes 15 seconds to reach the ground.What is its acceleration in m/s at the 2nd second?

Follows • 1
Expert Answers •1

09/20/21

What is the height of the mountain, relative to its base?
The length of the slope of a mountain is 2740 m, and it makes an angle of 12.4° with the horizontal. What is the height of the mountain, relative to its base?
Follows • 1
Expert Answers •1

09/19/21

(Physics) Finding Velocity and force
A squirrel accidently falls out of a tree that is 1.3m above the snows surface. The mass of the squirrel is 0.12kg. The magnitude of the gravitational acceleration is 9.8 m/s^2. A) How long does it... more
Follows • 1
Expert Answers •1

09/19/21

Vector Addition
Draw and analytically solve: The displacement vector F1 is directed to the East and has a magnitude of 3 m. The displacement vector F2 is directed to the North and has a magnitude of 4 m. Using the... more
Follows • 1
Expert Answers •1

09/19/21

For the three-dimensional vector r = 1.35î + 2.56ĵ + 3.14k, determine the following.
For the three-dimensional vector  r = 1.35î + 2.56ĵ + 3.14, determine the following.(a) magnitude of the vector r  (b) angle 𝛼 between the vector r and the positive x axis (c) angle 𝛽 between the... more
Follows • 1
Expert Answers •1

09/18/21

Two points are in a Cartesian plane. The first has coordinates (2.34 m, -4.37 m) and the second (-2.69 m, 3.04 m).

Cartesian: (x, y)Polar: (r, θ)*coordinates are in 1st plane*A) What is the value of r in polar coordinates for the first point?
Follows • 1
Expert Answers •1

09/18/21

(Physics) Tension in a rope
A 25kg box is pulled by a rope at angle of 25 degrees above the horizontal and slides across the floor with an acceleration of 1.5 m/s^2. 30N of force is also acting on the box vertically. What is... more
Follows • 1
Expert Answers •1

09/18/21

Physics: Temperature & Heat
An aluminum wing on a passenger jet is 33 m long when its temperature is 26°C. At what temperature would the wing be 2 cm (0.02 m) shorter?
Follows • 1
Expert Answers •1

09/18/21

Inclined Plane Problem
A 230-newton box rests on a plank 5.00 meters long. One end is 1.20 meters higher than the other end. Find the components of the force the box exerts:a). Parallel to the inclined planeb).... more
Follows • 1
Expert Answers •1

09/17/21

How to calculate T and linear speed?
An object of mass= 0.145kg undergoes uniform circular motion. It is connected by a massless string through a hole in a frictionless table to a larger object of mass=0.215kg. Assuming the larger... more
Follows • 2
Expert Answers •1

09/17/21

Thrown stone physics

A stone thrown horizontally from a height of 6.12 m hits the ground at a distance of 13.30 m. Calculate the initial speed of the stone. Neglect air resistance.Calculate the speed of the stone as it... more
Follows • 1
Expert Answers •1

09/17/21

Two people are moving a table into their new home
Two people are moving a 25kg table into their new home. The table is 2.2m long. One stands at one end, the other person stands 30cm from the other end. Calculate the lifting force required of the... more
Follows • 1
Expert Answers •1

09/17/21

What is the resultant force pulling the plate down due to gravity?
A plate with mass of 1.75 kg is tossed in the air, with air resistance acting like friction at k = 0.0005. What is the resultant force pulling the plate down due to gravity?
Follows • 0
Expert Answers •1

09/17/21

Find the direction of travel as a bearing
In which direction would I have to travel in order to travel East (relative to a stationary observer) if I am flying in a 40kmh^−1 wind coming from the North and can fly at 90kmh^−1 relative to the... more
Follows • 1
Expert Answers •1

09/17/21

What is the resultant force on the calculator?

Your professor is trying to show friction by pushing a calculator along a table. The frictional coefficient is k=0.6. The calculator has a mass of 2.5 kg, and your professor is pushing with 50 N... more
Follows • 0
Expert Answers •1

09/17/21

How fast is it going after the 3 seconds, in m/s, if it started from rest?
A 20 kg box is slid on the ground with k = 0.2, with 100 N of pushing force for 3 seconds. How fast is it going after the 3 seconds, in m/s, if it started from rest?
Follows • 1
Expert Answers •1

09/17/21

Find the vertical component?
When you walk up Skipton, you walk at an angle of about 8.0 degrees to the horizontal. How far do you travel vertically when you walk 700m along the road? Give your answer to 2 significant figures.
Follows • 1
Expert Answers •1

09/16/21

EQUILIBRIUM & REACTIONS
Force “P” is pushing against a cantilever beam as shown. Draw a free body diagram indicating the three reactions at Point A: horizontal reaction (RX), vertical reaction (RY), and moment reaction... more
Follows • 1
Expert Answers •1

09/15/21

A falling skydiver has a mass of 108 kg. What is the magnitude of the skydiver's acceleration when the upward force of air resistance has a magnitude that is equal to one-sixth of his weight?
A falling skydiver has a mass of 108 kg. What is the magnitude of the skydiver's acceleration when the upward force of air resistance has a magnitude that is equal to one-sixth of his weight?
Follows • 1
Expert Answers •1

09/15/21

The human cannonball
During a circus performance, a 71.5-kg human cannonball is shot out of an 17.5-m-long cannon. If the human cannonball spends 0.935 s in the cannon, determine the average net force exerted on him in... more
Follows • 1
Expert Answers •1

09/15/21

A ball with a horizontal speed of 0.33 m/s rolls off a bench 0.57 m above the floor. How far from a point on the floor directly below the edge of the bench will the ball land?
Follows • 1
Expert Answers •1

09/15/21

You begin sliding down a 10° ski slope. Ignoring friction and air resistance, how fast will you be moving after 6.4 s? Round to two decimal places and report your answer in SI units.
Follows • 1
Expert Answers •1

09/15/21

Tension question
A block of weight 38.4 N is hanging from a rope. The tension from the rope is pulling upward on the block. The block is accelerating upward at a rate of 1.70 m/s2. What is the magnitude of the... more
Follows • 1
Expert Answers •1

09/15/21

How far does the car travel in total before stopping
A driver traveling at 10.9m/s and has a reaction time of 0.3 seconds.
Follows • 0
Expert Answers •1

09/15/21

Express the surface of an open rectangular box with volume 3m^3 and a square base as a function of the length of the side of the base.
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.