Please tell me correct answer and explain!
Homework Answers
According to Newton's first law of motion, an object at rest will remain at rest or an object in motion will remain in motion until and unless an external force is applied on the object.
Since the asteroid is very far away from any other massive object, the external force on the object is negligible. By Newton's first law of motion, the asteroid will continue to move with a speed v. Therefore, the correct option is the third option:
the asteroid will continue to move with a speed v since there are no forces acting on the asteroid.
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Please tell me correct answer and explain!
An asteroid is moving with a speed v in...
Two objects moving with a speed v travel in opposite directions in a straight line. The...
Two objects moving with a speed v travel in opposite directions in a straight line. The objects stick together when they collide, and move with a speed of v/4 after the collision. Part A What is the ratio of the final kinetic energy of the system to the initial kinetic energy? V AO O ? Submit Request Answer Part B What is the ratio of the mass of the more massive object to the mass of the less massive object?...
astronomy DQ Question 7 1 pts Suppose an object is moving in a straight line at...
astronomy
DQ Question 7 1 pts Suppose an object is moving in a straight line at 70 km/hr. According to Newton's first law of motion, the object will continue to move in a straight line forever if it is in space, but fall to the ground if it is on Earth. continue to move in the same way forever, no matter what happens. continue to move in the same way until it is acted upon by a force. eventually slow...
tonHint: The assumption was not "it's moving in a circle."1 2. Claiming that a particle is...
tonHint: The assumption was not "it's moving in a circle."1 2. Claiming that a particle is moving in a circle with a constant radius is logically/mathematically equiv- 3. Consider a particle moving in a cirele of radius R. How is it posible for the particle to experience an 4. After deriving the formula for centripetal acceleration, we were inspired by Newton's d Law to alent to two other claims. State at least one of those claims. acceleration when its speed...
Large objects have inertia and tend to keep moving-Newton's first law. Life is very different for...
Large objects have inertia and tend to keep moving-Newton's first law. Life is very different for small microorganisms that swim through water. For them, drag forces are so large that they instantly stop, without coasting, if they cease their swimming motion. To swim at constant speed, they must exert a constant propulsion force by rotating corkscrew-like flagella or beating hair-like cilia. The quadratic model of drag given by the equation, D⃗ = (12CρAv2, direction opposite the motion), fails for very...
A car is moving at a relatively slow speed, let's say a good running speed for...
A car is moving at a relatively slow speed, let's say a good running speed for a short distance sprint, when it hits a solid wall (top figure). The car comes to a complete stop, with a somewhat shorter front section now. The driver, who was not wearing a seat belt, tries to hold himself off the steering wheel. Let us find the necessary average force acting on the 86-kg driver that is necessary to bring him to a complete...
Plz help me solve all those problem, and explain a little! thank you so much You...
Plz
help me solve all those problem, and explain a little! thank you so
much
You are in an elevator that is moving upwards with its speed increasing at a rate of 3 m/s2. Which diagram best represents the forces acting on you? BFN (A) EN M9 of Diagram C Diagram B Diagram D Diagram A A box of mass [M] kg is held stationary against a vertical wall by a force [FO] N at the angle (theta) degrees as...
O) A 1200 (kg) car has an initial speed of 27.0 () while moving over level ground. During its mot...
o) A 1200 (kg) car has an initial speed of 27.0 () while moving over level ground. During its motion the car has a net force in the tangential direction of F 4250-3.6 v (N e of 45.0° before the curvature changes to the opposite direction, with the same radius. The car is ap proaching a hill 160 (m) away. The hill has a radius of 150 (m), and spans an 150 (m) 45.0 27.0 160 (m) Draw a FBD...
Question 2 According to Newton's Laws of Motion, if I throw a baseball in outer space...
Question 2 According to Newton's Laws of Motion, if I throw a baseball in outer space - far from any other object- how will that ball move over time? (For the sake of this problem, let's neglect my mass) After the force of my hand no longer acts on the ball: Question 2 options: the ball will move forward, but it will gradually slow down and come to a stop once the force of my hand no longer acts on...
Velma's rocket ship is moving away from Mort at a speed of 0.75c. Mort fires a...
Velma's rocket ship is moving away from Mort at a speed of 0.75c. Mort fires a laser beam toward her spaceship, observing the tip of the laser beam to move away from him at speed c. Velma observes this laser beam to move past her at a speed of 1.75c. 1.25c. 0.25c. 0.75c. None of the above. We know that light is quantized because, in the double slit experiment with light, when one slit is closed, no interference pattern shows...
please help me with drag forces? Part A and B is done. I just need help...
please help me with drag forces?
Part A and B is done. I just need help wit
part E F G and H
PHY241 su19 Assignment about Drag Forces Name Assignment for projectile with drag forces: Parts a and b of this question about an airplane and hanging sphere is from chapter 4 class notes / exploration (answer key is posted for parts a and b). Continue with part c A 100.0 kg sphere hangs from an airplane by a...
Two objects moving with a speed v travel in opposite directions in a straight line. The objects stick together when they collide, and move with a speed of v/4 after the collision. Part A What is the ratio of the final kinetic energy of the system to the initial kinetic energy? V AO O ? Submit Request Answer Part B What is the ratio of the mass of the more massive object to the mass of the less massive object?...
astronomy
DQ Question 7 1 pts Suppose an object is moving in a straight line at 70 km/hr. According to Newton's first law of motion, the object will continue to move in a straight line forever if it is in space, but fall to the ground if it is on Earth. continue to move in the same way forever, no matter what happens. continue to move in the same way until it is acted upon by a force. eventually slow...
tonHint: The assumption was not "it's moving in a circle."1 2. Claiming that a particle is moving in a circle with a constant radius is logically/mathematically equiv- 3. Consider a particle moving in a cirele of radius R. How is it posible for the particle to experience an 4. After deriving the formula for centripetal acceleration, we were inspired by Newton's d Law to alent to two other claims. State at least one of those claims. acceleration when its speed...
Plz
help me solve all those problem, and explain a little! thank you so
much
You are in an elevator that is moving upwards with its speed increasing at a rate of 3 m/s2. Which diagram best represents the forces acting on you? BFN (A) EN M9 of Diagram C Diagram B Diagram D Diagram A A box of mass [M] kg is held stationary against a vertical wall by a force [FO] N at the angle (theta) degrees as...
o) A 1200 (kg) car has an initial speed of 27.0 () while moving over level ground. During its motion the car has a net force in the tangential direction of F 4250-3.6 v (N e of 45.0° before the curvature changes to the opposite direction, with the same radius. The car is ap proaching a hill 160 (m) away. The hill has a radius of 150 (m), and spans an 150 (m) 45.0 27.0 160 (m) Draw a FBD...
Velma's rocket ship is moving away from Mort at a speed of 0.75c. Mort fires a laser beam toward her spaceship, observing the tip of the laser beam to move away from him at speed c. Velma observes this laser beam to move past her at a speed of 1.75c. 1.25c. 0.25c. 0.75c. None of the above. We know that light is quantized because, in the double slit experiment with light, when one slit is closed, no interference pattern shows...
please help me with drag forces?
Part A and B is done. I just need help wit
part E F G and H
PHY241 su19 Assignment about Drag Forces Name Assignment for projectile with drag forces: Parts a and b of this question about an airplane and hanging sphere is from chapter 4 class notes / exploration (answer key is posted for parts a and b). Continue with part c A 100.0 kg sphere hangs from an airplane by a...
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