The professor didn't make an answer key for this study guide and I wanted to know if I'm doing these right.
The professor didn't make an answer key for this study guide and I wanted to know if I'm doing th...
As shown in the figure below, a 2.25-kg block is released from rest on a ramp of height h. When the block is released, it slides without friction to the bottom of the ramp, and then continues across a surface that is frictionless except for a rough patch of width 15.0 cm that has a coefficient of kinetic friction μk = 0.520. Find h such that the block's speed after crossing the rough patch is 4.20 m/s. An object with a...
An object with a mass, m = 5 kg, is released from rest at the top of the ramp. The length of the ramp is 2.3 m. The object slides down the ramp reaching a speed of 2.1 m/s at the bottom. a) If the friction force between the ramp and the object is 3 N, find the angle between the ramp and the horizontal theta (in degrees). b) What speed (in m/s) does the object reach at the bottom...
. A 2.00kg block is moved from point A (at rest) a distance of 2.00 m to point B under the action of a variable force F(x) 10x + 6x2. Once in point B it is moving down 1.00 m through an 60.00 inclined frictionless surface until hit a spring (point C) as shown in figure. (The coefficient of kinetic friction between the block and the surface between A and B is 0.3 and the spring constant equal to 400...
1. The force = 9 i + 12 j + 5 k acts on a small object. If the displacement of the object is = 16 i + 10 j . Find the work done by the force using the scalar product . 2. A 25 kg chandelier is hanging from a cable in an elevator (have you ever seen a chandelier in an elevator?). What is the tension in the cable if the elevator that moves downward...
I need a step by step on 1 and 2 so I can teach myself. 1. A solid, uniform sphere with a mass of 2.0 kg is rolling from rest down an incline plane from the top of the plane. The incline plane makes an angle of 20° with the horizontal and has a height of 2.0 m. At the bottom of the incline plane, the surface levels out to a frictionless horizontal surface. A spring with a spring constant...
The figure below shows two masses m,=4.5 kg and m2=4.1 kg which are connected by a cable and are in contact with frictionless surfaces as shown. The ramp makes an angle 0=35° with the horizontal and m is acted on by a force of magnitude F=44 N which acts up the ramp. What is the tension in the cable? m2 m 1 e Select one: 5.48 N C4.39 N 7.67 N 10.96 N C17.54 N The figure below shows two...
A. A DVD is spinning at 618.278 rpm. what is the size of the angular momentum of the dvd if it has a circumference of 41.007cm and a mass of 24.263g? Enter your answer in kg m^2/s to the thousandths place. B. A marble is rolling without slipping up a ramp(initially at 16.9 m/s) that is 23.8 degrees up from the horizontal. How long does it take to stop? (there is static friction present allowing the ball to roll) C....
Constants PartA A crate of sports equipment, with a mass of 8.40- kg, is released from rest at the top of a 1.46-m- long ramp. The ramp has small wheels on it so that the crate slides down the ramp without any friction, reaching a speed of 2.79 m/s at the bottom. What is the angle between the ramp and the horizontal? Submit Request Answer Part B What would be the speed of the crate at the bottom of the...
2. Mass mi -10.0 kg is initially held against the spring of spring constant k-100 N/m. The spring is compressed a distance x 0.45 m. When released, m is fired towards a block of mass m2-4.4 kg initially at rest at the edge of a horizontal, frictionless table of height h-0.75 m. A ramp is placed at the end of the table. The ramp has a coefficient of kinetic friction μ.-0.25 and is a distance d-1.06 m long. The blocks...
magnitudes of the 5.) A 10 Newton force and a 25 Newton force act concurrently on an object. What are the biggest and smallest possible resultant forces form those forces? A 10 Newton force is applied to a Sg block at an angle of 30° above the horizontal. The block slides across the frictionless, horizontal surface a. What is the acceleration of the block? b. What is the normal force acting on the block from the surface? yn 7) A...