371 Answered Questions for the topic physics B

12/02/20

piece of putty urgent help
A piece of putty of mass m = 0.75 kg moves at a velocity of v = 2.5 m/s along a horizontal frictionless surface. It hits and sticks to the bottom of a rod of mass M = 2 kg and length L = 0.9 m... more
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Physics B Physics

12/02/20

what is the speed of the tip of the rod as it passes the horizontal position?
A uniform rod of mass 1.0 kg and length 2.0 m is free to rotate about one end. If the rod is released from rest at an angle of 60° with respect to the horizontal, what is the speed of the tip of... more
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Physics B Physics Physics C

12/02/20

Calculate the torque about the z-axis that is out of the page at the origin in the following figure, given that F1=3N,F2=2N,F3=3N,F4=1.8N.
Calculate the torque about the z-axis that is out of the page at the origin in the following figure, given that F1=3N,F2=2N,F3=3N,F4=1.8N.... more
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Physics B Physics

12/01/20

A uniform rod of mass 1.0 kg and length 2.0 m is free to rotate about one end.
A uniform rod of mass 1.0 kg and length 2.0 m is free to rotate about one end. If the rod is released from rest at an angle of 60° with respect to the horizontal, what is the speed of the tip of... more
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Physics B Physics Physics C

11/25/20

what amount of energy would be produced?
A solitary bit of residue has a mass of 9.35 x 10^-10 kg. On the off chance that the mass of this bit of residue were changed over to unadulterated energy in an atomic response, a) what amount of... more
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Physics B Physics Physics C

11/24/20

What is the velocity in miles per hour?
The "Niagara Falls" water slide to waterpark and has a height of 76.0 feet (23.2 meters). Because the slide is not completely vertical the total length of the slide is 90.0 feet (27.4 meters). A... more
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Physics B Physics Physics C

11/24/20

how much energy was converted to Thermal Energy
The "Niagara Falls" water slide to waterpark and has a height of 76.0 feet (23.2 meters). Because the slide is not completely vertical the total length of the slide is 90.0 feet (27.4 meters). A... more
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Physics B Physics

11/24/20

How much work is done by this pushing force in overcoming friction?
An person is pushing hefty a carton of mass 33.3 kg at a point of 28 degrees from he flat at a steady speed. The plentifulness of pushing power approaches 222 N. The understudy moves this carton a... more
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Physics B Physics Physics C

11/24/20

what amount of energy would be produced?
A solitary bit of residue has a mass of 9.35 x 10^-10 kg. On the off chance that the mass of this bit of residue were changed over to unadulterated energy in an atomic response, a) what amount of... more
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Physics B Physics

11/24/20

If the slide is frictionless, what should the person's velocity be at the bottom of the slide in meters/second?
The "Niagara Falls" water slide to waterpark and has a height of 76.0 feet (23.2 meters). Because the slide is not completely vertical the total length of the slide is 90.0 feet (27.4 meters). A... more
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Physics B Physics Physics C

11/23/20

What must the magnitude of the friction force have been?
The "Niagara Falls" water slide to waterpark and has a height of 76.0 feet (23.2 meters). Because the slide is not completely vertical the total length of the slide is 90.0 feet (27.4 meters). A... more
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Physics B Physics Physics C

11/23/20

Is the collision elastic or inelastic? Physics

A 1920 kg vehicle going with a speed of 27 m/s collides with the back of 2490 kg truck. The vehicles lock guards.a) What is the speed of the vehicle and truck together after crash? (accepting 100%... more
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Physics B Physics Physics C

11/23/20

What is the speed of the vehicle and truck together after crash?
A 1920 kg vehicle going with a speed of 27 m/s collides with the back of 2490 kg truck. The vehicles lock guards.a) What is the speed of the vehicle and truck together after crash? (accepting 100%... more
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Physics B Physics Physics C

11/23/20

What if there was friction between the slide and the person. If the velocity of the person at the bottom of the slide was really
Please help me by solving this problem for me. Thank you so much I appreciate it a lot.The "Niagara Falls" water slide to waterpark and has a height of 76.0 feet (23.2 meters). Because... more
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Physics B Physics Physics C

11/21/20

How much work is done by this pushing force? Physics

An person is pushing hefty a carton of mass 33.3 kg at a point of 28 degrees from he flat at a steady speed. The plentifulness of pushing power approaches 222 N. The understudy moves this carton a... more
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Physics B Physics Physics C

11/21/20

what amount of energy was changed over to Thermal Energy in this issue?
The "Niagara Falls" water slide to waterpark and has a stature of 76.0 feet (23.2 meters). Since the slide isn't totally vertical the all out length of the slide is 90.0 feet (27.4 meters). A 70.0... more
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Physics B Physics Physics C

11/21/20

If 100% could be tackled to impel a truck, what would the magnitude be?
A solitary bit of residue loads 9.35 x 10^-10 kg. On the off chance that the mass of this bit of residue were changed over to unadulterated energy in an atomic response, a) what amount of energy... more
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Physics B Physics

11/21/20

True or false? The complete energy of universe
The complete energy of universe is increasing over time due to the energy yield from the uncountable number of stars in the universe. True or false?
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11/18/20

Angular momentum urgent help
a solid disk of mass m1 = 8.5 kg and radius R = 28 cm is rotating with a constant angular velocity of ω = 28 rad/sec. A thin rectangular rod with mass m2 = 3.5 kg and length L = 56 cm begins at... more
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11/18/20

rotating block on table URGRNT HELP

A small block of mass 1.07 kg slides without friction on a horizontal table. Initially it moves in a circle of radius R0 = 0.57 m with a speed 1.4 m/s. It is held in its path by a string that... more
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11/04/20

disk with string urgent help
A solid uniform disk of mass M = 9.8 kg and radius R = 22 cm rests with its flat surface on a frictionless table (i.e., the axis of the cylinder is perpendicular to the table.) The diagram shows a... more
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10/30/20

The volleyball is played with a ball of about 270 g and 21 cm in diameter.
In one game, the ball ended up in a pool with so much strength that it almost reached the bottom of it and then went up to the surface.Calculate:a) The force exerted by the pool water on the... more
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10/29/20

A 20 cm high polystyrene board with a surface area of 40 dm2 is floating in the water.
a) What fraction of its volume is above the water surface?b) If a 35 kg child is placed on this board, what will be the fraction of its volume that is above the water surface?Data: Polystyrene... more
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10/29/20

A piece of copper immersed in water has an apparent weight of 2.65 N and when it is immersed in a liquid of density 1.50 x 103 kg/m3 its apparent weight is 2.50 N.
Is it pure copper or does it contain any other metal? Copper density 8.9 X 103 kg/m3.
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10/29/20

A fluid pressure gauge, called a Venturi tube, or venturer, is a device designed to measure the velocities of fluids flowing through pipes.
It consists of a tube that is inserted in the pipe, has the same diameter as this one, gradually narrowing and then increasing, the section also gradually to avoid the formation of swirls and thus... more
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