728 Answered Questions for the topic physical science

Physical Science Physical

11/05/19

#### Average speed is indicated on the speedometer

Is this statement true or false

Physical Science

11/05/19

#### Definition of displacement

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?

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

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.

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?

Physical Science

11/01/19

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

Physical Science

10/26/19

#### Help Me ASAP Plz!!!

Which phase change is the reverse of condensation?A. Freezing B. SublimationC. VaporizationD. Melting

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

Physical Science

10/25/19

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

Physical Science

10/23/19

#### what quantity do units represent in a value

#### 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-

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.

Physical Science

10/12/19

#### Periodic Table Group

Which element is not part of any periodic table groupHeHTcSn

Physical Science Science

10/10/19

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

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...
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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?

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?

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.

Physical Science

10/01/19

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

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

Physical Science

09/16/19

#### A box 10 centimeters high, 5 centimeters long, and 5 centimeters wide. Find the volume of a box with a length of 5 cm, a width of 5 cm, and a height of 10 cm. V = 0.2

Physical Science

09/13/19

#### The speed of a cheetah is 30 m/s. How long does it take a cheetah to travel a distance of 240 meter?

Physical Science

09/13/19

#### How fast was a plane flying if it traveled 4000 kilometers in 3 hours?

Physical Science

09/12/19

#### Graph y=x line. What is the slope of this line? Find value of y when x=5, when x=0, when x= -2

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