12,762 Answered Questions for the topic physics

Physics

09/24/22

A Vector P of magnitude 3.0 N acts towards the right and a vector Q of magnitude 4.0 N acts upwards. What is the magnitude and direction of the vector (P - Q)?
Please show your process.
Follows • 1
Expert Answers •1
Physics

09/22/22

AP Physics Question
A boy throws a stone straight upward with an initial speed of 15 m/s. What maximum height will the stone reach before falling back down?
Follows • 1
Expert Answers •1
Physics

09/22/22

Physics vector question
Add the following four vectors together using the computer method. Don't forget to include magnitude, units, and direction on your final answer.Vector A: 6 m, 30 degrees ... more
Follows • 1
Expert Answers •2
Physics

09/22/22

Two boxes on inclined plane fastened to wall
Two blocks are connected by a massless string and are held in position by another massless string along a frictionless incline (as shown in the figure). Let M1 = 4.30 kg, M2 = 2.70 kg, and θθ =... more
Follows • 1
Expert Answers •1
Physics

09/21/22

please help me with this physics question
A stunt woman of mass 50.0 kg can run at a top speed of 19.2 mph. A film requires that she run and jump off a cliff that sits 13.3 m above the surface of a lake. However, she must clear a shelf of... more
Follows • 1
Expert Answers •1
Physics

09/20/22

Physics Question
The velocity of the transverse waves produced by an earthquake is 4.35 km/s, while that of the longitudinal waves is 4.13 km/s. A seismograph records the arrival of the transverse waves 64.72 s... more
Follows • 1
Expert Answers •1
Physics

09/20/22

AP Physics: A sports car moving at constant velocity travels 120 m in 5.0 s. It then brakes and comes to a stop in 4.0 s. Questions in description
a. How fast is the far moving during the first 5 s?b. What is the magnitude of the acceleration of the car as it brakes and comes to a stop?
Follows • 1
Expert Answers •1

09/20/22

Refraction in a prism
I'm having problems with this optics problem:Glass prism ABC with refractive index n1 = 1.6, vertex A angle α = 40° and vertex B angle β = 60°,placed in a container with two different liquids... more
Follows • 1
Expert Answers •1

09/20/22

Kirchoff's laws and electrical circuit
Two batteries with emf ε1 = 10 V and emf ε2 = 20 V and internal resistances r1 = 1 Ω and r2 = 2 Ω, respectively, are connected in parallel, and then connected in parallel to a resistor of R = 30 Ω... more
Follows • 2
Expert Answers •1

09/20/22

Melting ice cubes
Two identical ice cubes are placed in two large containers, one containing tap water and the other containing a strong saline solution. Both liquids are of equal volume and at the same room... more
Follows • 1
Expert Answers •1
Physics

09/19/22

If jack was traveling at 100 miles in 2 hours what was his speed in miles per minute

Follows • 1
Expert Answers •1
Physics

09/19/22

A Box with Friction
A rope is pulling horizontally to the right on a box of weight 32.0 N which is sliding across the floor at a constant speed. The coefficient of kinetic friction between the floor and the box is... more
Follows • 1
Expert Answers •1
Physics

09/19/22

Nick travels 2.50km north followed by 4.30km south and then 1.40km north
Follows • 1
Expert Answers •1

09/19/22

Weight and Mass Conversion with Constant Acceleration
Hello, I'm having some issues with these homework questions and would appreciate a walkthrough of what kind of equation I'm supposed to use. Thank you in advance!"An astronaut weighs 658 N on... more
Follows • 1
Expert Answers •1
Physics

09/19/22

A car traveling at 10 m/s starts to negatively accelerate steadily. It comes to a complete stop in 20 seconds. What is its acceleration?
Follows • 0
Expert Answers •1
Physics

09/18/22

Physics Problem. Determine coefficient of static friction and acceleration.

Suppose m1 = 5.2 kg and m2 = 2.8 kg. Assume the pulley is massless and frictionless. A) What coefficient of static friction between the 85.0 N block and the table ensures static equilibrium? B)... more
Follows • 2
Expert Answers •1

09/18/22

stuck on math question
The surface x^2 + y^2 = 7 is a circular cylinder.What is an equation for the cross section at y = −7 using x and z.What is an equation for the cross section at y = 0 using x and z.What is an... more
Follows • 1
Expert Answers •1

09/18/22

help needed w/ math question
A pair of parametric equations is given below.x = 4 sin(t),  y = 4 cos(t), 0 ≤ t ≤ 𝜋Find a rectangular-coordinate equation for the curve by eliminating the parameter.My answer is y=sqrt... more
Follows • 1
Expert Answers •1
Physics

09/17/22

Can you help me with this problem??
At the half way mark of a 200 meter race the lead runner is running at a uniform speed of 10.3 m/s. The contestant in the second position is running at a speed of 10.1 m/s is 2 meter behind the... more
Follows • 1
Expert Answers •1
Physics

09/17/22

Can you help me with this question??
In a road with speed limit of 30 miles per hour, how much time (in minutes) will you gain by driving at an average speed of 5 miles per hour over the speed limit if it would take 30 minutes to... more
Follows • 1
Expert Answers •1
Physics

09/17/22

Physics Chase Problem
A motorcycle is following a car that is traveling at constant speed on a straight highway. Initially, the car and the motorcycle are both traveling at the same speed of 23.0 m/s, and the distance... more
Follows • 1
Expert Answers •1
Physics

09/17/22

Car in northbound lane with acceleration going towards car in southbound lane 300m away going 25 m/s. When will they pass each other?
A car in the northbound lane is sitting at a red light. At the moment the light turns green, the car accelerates from rest at 2.0 m/s2m/s2. At this moment there is also a car in the southbound lane... more
Follows • 1
Expert Answers •1
Physics

09/17/22

kinematic word problem with two objects
Ryan and Eddie ran in the same direction at t=0. Ryan ran with an average velocity of 10 m/s while Eddie slowly increased his speed to 8 m/s in 20 seconds, then maintained its final velocity for... more
Follows • 1
Expert Answers •1
Physics

09/17/22

the magnitude of its centripetal acceleration in mm/s^2
The Earth is 149 million km from the sun. Assume its orbit is a circle. Find:  (a) the speed of Earth in its orbit;  (b) the magnitude of its centripetal acceleration.
Follows • 1
Expert Answers •1
Physics

09/16/22

An object with a mass of 0.400 kg is undergoing SHM with an amplitude of 0.025 m. The maximum acceleration of the object is observed to have a magnitude of 15 m/s2. Calculate:
a. the force constant of the springb. the maximum speed of the objectc. the acceleration (magnitude and direction) of the object when it is displaced 0.012 m to the left of its equilibrium position.
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.