12,795 Answered Questions for the topic physics

Physics

09/25/24

velocity of 10 m/s at an angle of 37°. height was 2.0 mass is 7.27 kg. Find the distance traveled by the shot in this effort.
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Physics Chemistry

09/21/24

Chemistry Quarter Thickness in mm
A quarter is a coin that contains 91.6% by mass copper and 8.33 % by mass nickel. It has a diameter of0.955 inches and density of 7.01 g/cm3. If a single quarter contains 0.183 ounces of copper,... more
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09/20/24

How can I determine the relative brightness of lightbulbs in different circuits?
Identical light bulbs are connected to identical batteries in the various circuits below. Use your model and previous observations to rank all the bulbs (A-H) in order of brightness (from greatest... more
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Physics

09/20/24

A force F = (6.60î − 3.65t ĵ) N, with t in units of s, is applied to a 2.00 kg object initially at rest.
a) At what time (in s) will the object be moving with a speed of 15.0 m/s? (Round your answer to at least two decimal places.)b) How far (in m) is the object from its initial position when its... more
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09/20/24

Finding the magnitude of the current and its direction in each resistor in the given circuit
a) Can the circuit shown below be reduced to a single resistor connected to the batteries?b) How can I find the magnitude of the current and its direction in each resistor?https://ibb.co/GWQTttq
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Physics

09/19/24

physics word problems
The drawing shows a skateboarder moving at 7.10 m/s along a horizontal section of a track that is slanted upward by 0 = 42.0° above the horizontal at its end, which is 0.740 m above the ground.... more
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Physics

09/19/24

Newton's Laws and tension problem
An elevator of 4850 kg is to be designed so that the maximum acceleration is 0.068g. What are the maximum and minimum forces the motor should exert on the supporting cable?
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Physics

09/15/24

physics word problem
A 27.8-g bullet is fired from a rifle. It takes 2.65 × 10-3s for the bullet to travel the length of the barrel, and it exits the barrel with a speed of 746 m/s. Assuming that the acceleration of... more
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Physics Math

09/15/24

Physics word problem
In Case A the mass of each block is m1 = m2 = 3.1 kg. In Case B the mass of block 1 (the block behind) is m1 = 6.2 kg, and the mass ofblock 2 is m2 = 3.1 kg. No frictional force acts on block 1 in... more
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Physics

09/15/24

Physics word problems
A kite is hovering over the ground at the end of a straight 49-m line. The tension in the line has a magnitude of 13 N. Wind blowing on the kite exerts a force of 20 N, directed 63° above the... more
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Physics Science

09/14/24

Is our house and our cars really spinning like the earth is spinning?
If the Earth spins, does everything else rotate and spin? No correct? Stationary items would remain stationary, correct? They don’t physically move themselves or rotate independently right? Like... more
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Physics

09/12/24

Electric Physics
A proton is held fixed at the origin. A second proton is placed on the x axis at x = 1.5 m and then released. At what point will this proton's potential energy be equal to its kinetic energy?... more
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09/12/24

Finding the charge on capacitors shown in a given circuit diagram
In the circuit diagram in the image attached:https://ibb.co/Kzwfs00How can I find the charge on each of the capacitors shown.
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09/12/24

Finding the equivalent resistance, total power supply, and emf of the battery, in a given circuit.
In the circuit in the image attached below, https://ibb.co/vhBSs3zwhere R1=3Ω, R2=10Ω, R3=5Ω, R4=4Ω, R5=3ΩHow do I finda) the equivalent resistance for this circuitb) If the total power supplied to... more
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Physics

09/12/24

Finding the time constant, and the maximum charge on the capacitor, in a series RC circuit
Consider a series RC circuit for which C= 6 µF, R=2*106 Ω, E=20 VHow do I find:a) The time constant of the circuitb) The maximum charge on the capacitor after a switch in the circuit closesc) If... more
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Physics

09/12/24

Finding the magnitude and direction of current in resistors in a given circuit
Considering the circuit shown in the image attached: https://ibb.co/wLTfxY3a) Can the circuit be reduced to a single resistor connected to the batteries? b) And what will be the magnitude of the... more
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Physics

09/12/24

2 cars with different speeds travelling 2 m

Given two toy cars with different speeds, and a finish line that is 2.0 m from the start, how much farther back does the faster of the two cars have to be placed so that the two cars will cross the... more
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Physics

09/11/24

A bottle rocket can shoot its projectile vertically to a height of 22.5 m. (You can ignore air resistance.)
I found the appropriate angle to reach max horizontal range was 45, what would the max horizontal range be
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Physics

09/11/24

A grasshopper leaps into the air from the edge of a vertical cliff, as shown in the figure below (Figure 1). Assume that d1 = 7.26 cm, d2 = 1.11 m, and that θ = 48 ∘
1.) what is the initial speed of the grasshopper 2.) what would the height of the cliff be
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Physics

09/11/24

My daughter's tutor is missing
My daughter's tutor is missing
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Physics

09/10/24

physics word problem
From the top of a tall building, a gun is fired. The bullet leaves the gun at a speed of 340 m/s, parallel to the ground. As the drawing shows, the bullet puts a hole in a window of another... more
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Physics

09/10/24

physics word problem
As preparation for this problem, review Conceptual Example 10. The drawing shows two planes each dropping an empty fuel tank. At the moment of release each plane has the same speed of 145 m/s, and... more
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Physics

09/10/24

Physics word problem
A mountain-climbing expedition establishes two intermediate camps, labeled A and B in the drawing, above the base camp. What is the magnitude Delta r of the displacement between camp A and camp... more
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Physics

09/04/24

Physics word problem
A jogger travels a route that has two parts. The first is a displacement Á of 1.90 km due south, and the second involves a displacement B that points due east. The resultant displacement A + B has... more
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Physics

09/03/24

Using a graph to determine displacement and distance, I got 7, 8, -1, 0, 5, 2, and 0. A person is walking briskly in a straight line, which we shall call the x axis
)What is the person’s displacement between t= 2.0 s and t= 11.0 s ? Express your answer in meters to two significant figures. What is the person’s displacement between t= 3.0 s and t= 11.0 s ?... more
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