1,302 Answered Questions for the topic physical science

11/13/19

What is the total resistance of this circuit, and what type of circuit is this?
What is the total resistance of this circuit? And what type of circuit is this? I can’t tell if it’s parallel or series. (Physical science 10th grade) here is the link to the circuit diagram. ... more
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Physical Science

11/12/19

A bowling ball is rolling to the right towards a set of bowling pins. what direction do you think the pins will move after the collision
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Physical Science Science Chemistry

11/12/19

What chemical bonds are present in snow
What chemical bonds are present in snow and what allows snow to build up into a ball or even a snowman without instantly falling apart?
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Physical Science

11/06/19

A ball with an initial velocity of 2 m/s rolls for a period of 3 seconds. If the ball is uniformly accelerating at a rate of 3 m/s2, what will be the ball’s final velocity?

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Physical Science Physical

11/05/19

Average speed is indicated on the speedometer

Is this statement true or false
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Physical Science

11/05/19

Definition of displacement

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Physical Science Science

11/03/19

A ball on a ramp starts at the top and takes 3.01 seconds to travel down the ramp. The ramp is 2m long and the flat is 3 m long. Ignore friction, what is the balls acceleration down the ramp?
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Physical Science Science Physics

11/03/19

Sound travels at a speed of 340.11 m/s. How long does it take for sound of thunder to travel 1485 m?
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Physical Science Science

11/03/19

A fish travels from Pacifuc Ocean to Salmon, Idaho, 564 miles as the crow flies. Is this distance or displacement? Draw this as a vector and label.
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Physical Science

11/03/19

A radioactive substance has a half- life of 15 years. What fraction of a sample of the substance would be left after 45 years?
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Physical Science

11/01/19

An object with a mass of 5 kg weighs how many pounds?
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Physical Science

10/26/19

Help Me ASAP Plz!!!
Which phase change is the reverse of condensation?A. Freezing B. SublimationC. VaporizationD. Melting
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10/26/19

Vector Calculus

How do we evaluate the volume under the surface given by, z=2xsin(y) over the region bounded below by the curve y=x^2 and above by the line y=0 for 0<=x<=1
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Physical Science

10/25/19

What is the velocity of an eight KG lead shot put if it has 484J of energy
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Physical Science

10/23/19

what quantity do units represent in a value

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Physical Science Chemistry Physics Biochemistry

10/16/19

AP Chemistry Question
Which of the following ions has the same number of electrons as Br -. A. Ca2+B. K+C. Sr2+D I-E Cl-
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Physical Science

10/15/19

A car travels at a speed of 80 km/hr for 2.5 hours. How many km did the car travel? Write the formula. Show the substitutions into the formula and then provide an answer with proper units.
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Physical Science

10/12/19

Periodic Table Group
Which element is not part of any periodic table groupHeHTcSn
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Physical Science Science

10/10/19

A change that produces one or more new substances is called a physical change.
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Physical Science

10/10/19

Find the acceleration of the deer during collision.
A 1200kg car collides with a 160kg deer. The collision results in an acceleration ("deceleration") of 2.5m/(sec)^2 for the car. Find the acceleration of the deer during the collision. Find the... more
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Physical Science Physics

10/03/19

a flower pot is dropped from a building. How fast will it be moving after 7 seconds? How much is the acceleration 3 seconds after it falls?
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Physical Science

10/03/19

A car is traveling at 73 mi/hr in a 60 mi/hr zone. There is a cop parked 20 ft ahead of you. You slow down at an acceleration of -2ft/sec^2, for a total time of 3 seconds. Do you get a ticket?
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Physical Science Newton’s 2nd Law

10/02/19

Calculating mass using Newton’s

On Earth, a football player weight 100 Newton’s. Calculate his mass.
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Physical Science

10/01/19

During interphase, the DNA appears as very long strands of DNA known as what?
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Physical Science

09/23/19

what is the net force of a 15.0-N force and a 28.0-N force act in the same direction
what is the net force of a 15.0-N force and a 28.0-N force acting on an object if these force act in the same direction
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