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Physics 101 Mechanics
October 2021
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Physics 101 Mechanics
Q&A Archive of
October 7, 2021
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October 7 of 2021
A 276-kg glider is being pulled by a 1 950-kg jet along a horizontal runway with an acceleration of aS 5 2.20 m/s 2 to the right as in Figure below. Find (a) the thrust provided by the jet’s engines and (b) the magnitude of the tension in the cable connecting the jet and glider.
how can I find the (d)
A 40.0 kg child is in a swing that is attached to ropes 2.00 m long. Find the gravitational potential energy associated wit the child relative to the child's lowest position
Determine magnitude of resultant force
A girl tries to lift a suitcase of weight 220 N bypulling upwards on it with a force of 140 N. Thesuitcase does not move. Calculate the reactionforce from the floor on the suitcase.
A girl tries to lift a suitcase of weight 220 N by pulling upwards on it with a force of 140 N. The suitcase does not move. Calculate the reaction force from the floor on the suitcase.
a vehicle applies force to trailers of various man. rank the magnitude of the forces each trailer puts on a vehicle in comparison to the force exerted on each trailer or all pairs of forces equal in magnitude?
a vehicle applies force to trailers of various man
A father demonstrates projectile motion to his children by placing a pea on his fork's handle and rapidly depressing the curved tines, launching the pea to heights above the dining room table. Suppose the pea is launched at 7.47 m/s at an angle of 85.0° above the table. With what speed (in m/s)…
Show that generating function for below transformation
3×10? m/sec
What is the magnitude of sum of the four vectors below?
To transmit 1KHz frequency signal, wave length of the signal should be
A train starts from rest and accelerate uniformly at the rate of 5 m/s2 for 5 sec. Calculate the velocity of train in 5 sec.
A scooter travelling at 10 m/s speed up to 20 m/s in 4 sec. Find the acceleration of scooter.
The maximum speed of a train is 90 km/h. It takes 10 hours to cover a distance of 500 km. Find the ratio of its average speed to maximum speed?
An object dropped from a cliff falls with a constant acceleration of 10 m/s2. Find its speed 5 s after it was dropped.
A bullet hits a Sand box with a velocity of 20 m/s and penetrates it up to a distance of 6 cm. Find the deceleration of the bullet in the sand box.
An object moves along a straight line with an acceleration of 2 m/s2. If its initial speed is 10 m/s, what will be its speed 2 s later?
A particle experiences constant acceleration for 20 seconds after starting from rest. If it travels a distance D1 in the first 10 seconds and distance D2 in the next 10 seconds then, (a) D2 = D1 (b) D2 = 2D1 (c) D2 = 3D1 (d) D2 = 4D1
Convert 5cm to kilometres
Convert 5cm to nanometre
Two planar mirrors are positioned such that their edges are in contact and the angle between their surfaces is α, where 0° < α < 90°. If an incident light ray strikes the first mirror at an angle of 38.0° relative to the normal of that surface, and then reflects off of the second mirror at an…
An object is placed at a position in front of a spherical mirror such that and image is formed at a distance of 8.18 cm on the back side of the mirror. If the lateral magnification of the image is 2.09, what must the focal length of the mirror be?
Two planar mirrors are positioned such that their edges are in contact and the angle between their surfaces is θ, where 0 < θ < 90°. If an incident light ray strikes the first mirror at an angle of 38.0° relative to the normal of that surface, and then reflects off of the second mirror at an…
If the lateral magnification of an imaged formed by a spherical mirror is 0.549. If the focal length of the mirror is -22.1 cm, what is the object distance?
An object of mass 10 kg is released at point A, slides to the bottom of the 30° incline, then collides with a horizontal massless spring, compressing it a maximum distance of 0.75 m. (See below.) The spring constant is 500 N/m, the height of the incline is 2.0 m, and the horizontal surface is…
A factory worker
how can I find the (d)
A 40.0 kg child is in a swing that is attached to ropes 2.00 m long. Find the gravitational potential energy associated wit the child relative to the child's lowest position
Determine magnitude of resultant force
A girl tries to lift a suitcase of weight 220 N bypulling upwards on it with a force of 140 N. Thesuitcase does not move. Calculate the reactionforce from the floor on the suitcase.
A girl tries to lift a suitcase of weight 220 N by pulling upwards on it with a force of 140 N. The suitcase does not move. Calculate the reaction force from the floor on the suitcase.
a vehicle applies force to trailers of various man. rank the magnitude of the forces each trailer puts on a vehicle in comparison to the force exerted on each trailer or all pairs of forces equal in magnitude?
a vehicle applies force to trailers of various man
A father demonstrates projectile motion to his children by placing a pea on his fork's handle and rapidly depressing the curved tines, launching the pea to heights above the dining room table. Suppose the pea is launched at 7.47 m/s at an angle of 85.0° above the table. With what speed (in m/s)…
Show that generating function for below transformation
3×10? m/sec
What is the magnitude of sum of the four vectors below?
To transmit 1KHz frequency signal, wave length of the signal should be
A train starts from rest and accelerate uniformly at the rate of 5 m/s2 for 5 sec. Calculate the velocity of train in 5 sec.
A scooter travelling at 10 m/s speed up to 20 m/s in 4 sec. Find the acceleration of scooter.
The maximum speed of a train is 90 km/h. It takes 10 hours to cover a distance of 500 km. Find the ratio of its average speed to maximum speed?
An object dropped from a cliff falls with a constant acceleration of 10 m/s2. Find its speed 5 s after it was dropped.
A bullet hits a Sand box with a velocity of 20 m/s and penetrates it up to a distance of 6 cm. Find the deceleration of the bullet in the sand box.
An object moves along a straight line with an acceleration of 2 m/s2. If its initial speed is 10 m/s, what will be its speed 2 s later?
A particle experiences constant acceleration for 20 seconds after starting from rest. If it travels a distance D1 in the first 10 seconds and distance D2 in the next 10 seconds then, (a) D2 = D1 (b) D2 = 2D1 (c) D2 = 3D1 (d) D2 = 4D1
Convert 5cm to kilometres
Convert 5cm to nanometre
Two planar mirrors are positioned such that their edges are in contact and the angle between their surfaces is α, where 0° < α < 90°. If an incident light ray strikes the first mirror at an angle of 38.0° relative to the normal of that surface, and then reflects off of the second mirror at an…
An object is placed at a position in front of a spherical mirror such that and image is formed at a distance of 8.18 cm on the back side of the mirror. If the lateral magnification of the image is 2.09, what must the focal length of the mirror be?
Two planar mirrors are positioned such that their edges are in contact and the angle between their surfaces is θ, where 0 < θ < 90°. If an incident light ray strikes the first mirror at an angle of 38.0° relative to the normal of that surface, and then reflects off of the second mirror at an…
If the lateral magnification of an imaged formed by a spherical mirror is 0.549. If the focal length of the mirror is -22.1 cm, what is the object distance?
An object of mass 10 kg is released at point A, slides to the bottom of the 30° incline, then collides with a horizontal massless spring, compressing it a maximum distance of 0.75 m. (See below.) The spring constant is 500 N/m, the height of the incline is 2.0 m, and the horizontal surface is…
A factory worker