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A fielder in a cricket match throws the ball to the wicket-keeper. At one moment of time, the ball has a horizontal velocity of 16 ms and a velocity in t the vertically upward direction of 8.9 ms ¹

(a) Determine, for the ball :

Its resultant speed

excess charge is uniformly distributed over the plane top surface of a large solid conductor. if the electric field above the charged surface is 1.5NC , Determine the surface charge density on the comductor surface

Consider the function represented by the equation 6q = 3s - 9. Write the equation in function notation, where q is the independent variable.

Consider the function represented by 9x+3 y=12 with x as the independent variable. How can this function be written using function notation?

.02 as a fraction

.0005 as a fraction

0.05 as a fraction

0.38 as a fraction

0.23 as a fraction.

.23 as a fraction

5.6 as a fraction

69% as a fraction

 How many molecules are there in 985 mL of nitrogen at 0.0° C and 1.00
x 10-6 mmHg?

1. How much will it cost to take a 625 mile trip if your car gets 25.0 mpg with the cost of gasoline at 4.97 per gallon 

1.1 as a fraction

.17 as a fraction

1.6 as fraction

1.6 as a fraction

 6.3 mg of boron hydride is contained in a flask of 385 mL at 25.0° C and
a pressure of 11 Torr.
(a) Determine the molar mass of the hydride.
(b) Which of the following hydrides is contained in the flask, BH3
, B2H6 or B4H10?

1.5 as a fraction

.5 as a fraction

2.4 as a fraction

.43 as a fraction

.45 fraction

The fifth grade class surveyed 144 people. They found that 1/3 of the people have umbrellas. Of the people who have umbrellas, 1/2 have black umbrellas. How many people in the survey group have black umbrellas. 

What is ?

What is  

What is Guillaume puts a bottle of soft drink in a refrigerator and leaves it there until its temperature has dropped 18.6 K.

What is the magnitude of its temperature change |ΔT|= 18.6 K in degrees Celsius?

What is ?

What is ?

What is 2+2 =?

What is 3 x 2

How many minutes are there in three and a half hours?

Slove f(-4) if f(x)=-4x-2

Amy pays $25 to enter a state fair, plus $3 for each ride. Which of the following equations represent her total cost?

⭕ A. y = 28x

⭕ B. y = 3x + 25

⭕ C. y = 25x + 3

⭕ D. y = 3x + 28

Two boats leave the shore at the same time to take supplies to neighboring islands. One of the boats returns every 45 minutes. The other boat returns every hour. How long will it take for the two boats to return at the same time?

How do you write as improper fraction? 

How do you write as an improper fraction?