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Physics
Middle School
The unit of charge is.....TeslasO voltsjoulescoulombs
Physics
College
How dose the Sum Of Forces help you
Physics
Middle School
What happens to the force between two charges if one of the charges are doubled?it decreased by a quarterit quadruplesit doublesit cuts in half
Physics
Middle School
A stone is dropped from a 75-m- high building . When this stone has dropped 15 m, a second stone is thrown downward with an initial velocity such that the two stones hit the ground at the same time. What was the initial velocity of the second stone?
Physics
High School
4. What is the amplitude of the waves shown in the diagram below?
Physics
High School
5. What is the amplitude of the waves shown in the diagram below?
Physics
Middle School
2. Only power tools with a 3-wire cord witha ground are permitted by OSHA.O(A) True(B) False
Physics
Middle School
6. To which of these abrasive disks can youapply a water-coolant?(A) Concrete(B) Metal
Physics
Middle School
5. While working near flammablesubstances, one should avoid iron or steelhand tools.O (A) TrueO (B) False
Physics
High School
The ratio of the potential difference across a conductor to the current in the conductor is called A) conductivity B) resistanceC) chargeD) power
Physics
College
Which landscape will erode more quickly? Assume the same precipitation and average temperature in each landscape. A. Landscape A. B. Landscape B. C. The rates of erosion will be the same. D. Impossible to determine.
Physics
Middle School
What is the mass of an object that has a density of 3.2 g/cm3 and a volumeof 5.5 cm3? (The density of an object has the equation d =m/v.)
Physics
High School
Determining the pH of substances such as purple grape juice and catsup using test strips can be difficult. Why?
Physics
College
Lets discuss some particle physics. In 1897, physicist J.J. Thomson conducted a seminalexperiment with a cathode ray tube. In the experiment, a beam of an unknown particle of chargeqandmassmis shot through the tube onto a fluorescent screen, at some speedvand in thex-direction. Uponimpact the beam leaves a bright spot on the screen. Sincevis very fast, effects of gravity are negligible andthe beam forms essentially a straight line normal to the screen.To eliminate this deflection, an external uniform magnetic field of magnitudeBis turned on as well. What should be the direction and magnitudeBof this field such that z= 0?
Physics
High School
Tearfree shampoos are advertised as having a pH similar to that of human tears. What pH would you expect tearfree shampoos to be?
Physics
Middle School
A girl lifts a 160-N load to a height of 1 min 0.5 s. How much power is used to lift the load?A. 320 WB. 80 WC. 32 wD. 160 W
Physics
High School
ProblemWhen a piece of aluminum isplaced in a 25 mlgraduatedcylinder that contains 10.5mL of water, the water level rises to 13.5m. What is the mass ofthe aluminum?
Physics
High School
the car is moving on a straight road at a speed of 15m / s. The driver of the car starts overtaking with an acceleration of 2m / s. Determine how fast the car has reached after 6s from the start of overtaking. The speed at uniformly accelerated rectilinear motion with the initial speed is calculated by the formula v = vo + at.
Physics
High School
How are clouds made. plz halp
Physics
Middle School
A girl standing on top of a roof throws a stone into the air with velocity +v. She then throws a similar stone directly downwards with a velocity -v. Compare the velocities of both stones when they reach the ground.
Physics
Middle School
HELP I'll Mark as brainliest!
Physics
Middle School
If the average speed of a drag racing car is 0.069 miles second, how long would it take the car to complete a 1/4 mile (0.25 mile) straight track?
Physics
College
Which force does the shuttle overcome to create an unbalanced net force as it initially lifts from the ground? Air resistance Friction Gravity Thrust of rocket engine
Physics
High School
The image produced by a concave mirror is _____Answer : virtual or real
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