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4 years ago

11

A cat is on a 1.5 m high table and jumps at a 37 angle with a speed of 10 m/s. how far horizontally from the edge of the table d

oes the cat land?

1 answer:

Kaylis [27]4 years ago

8 0

The answer is 11.51 meters (:

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Which chemical equation represents a double replacement reaction?

liq [111]

D. NaOH + HCI NaCl + H,0

Explanation:

The last option is a double displacement/replacement reaction.

This reaction is a neutralization reaction in which an acid combines with a base to produce salt and water only.

NaOH + HCl → NaCl + H₂O

A double displacement reaction is one that occurs between ionic compounds.
In this reaction, there is an actual exchange of reaction partners.

One of the following conditions serves as a driving force;

Formation of water or any other non-ionizing compound
Liberation of gases
Formation of a precipitate

learn more:

Precipitate formation brainly.com/question/8896163

#learnwithBrainly

5 0

3 years ago

For the velocity-time graph showns, which statement describes what happens to the velocity between approximately 11 and 15 secon

dalvyx [7]

Answer:

C) The lander’s velocity decrease toward the reference.

Explanation:

took the test

6 0

3 years ago

Which of the examples below is an example of convection?

nasty-shy [4]

Basking in the sun :)

3 0

3 years ago

A man is flying in a hot-air balloon in a straight line at a constant rate of 5 feet per second, while keeping it at a constant

icang [17]

Answer:

$x = 220.85 ft$

Explanation:

Let at any moment of time the friend's car is at some horizontal distance "x" from the position of balloon.

Now if the altitude of the balloon is fixed and it is at height "h"

so here we will have

$tan \theta = \frac{h}{x}$

now we know that

initially the angle of the friend's car is 35 degree

so the horizontal distance will be

$x_1 = h cot35$

similarly if the angle after passing the car position is 36 degree

then we have

$x_2 = h cot36$

now the speed of the balloon is constant

so we have

$v = \frac{x_1 + x_2}{\Delta t}$

$5 ft/s = \frac{h cot35 + h cot36}{90 s}$

$5 ft/s = \frac{2.8h}{90}$

$h = 160.45 ft$

so the final position of friend when the angle is 36 degree

$x = \frac{h}{tan36}$

$x = \frac{160.45}{tan36}$

$x = 220.85 ft$

4 0

3 years ago

What is the wavelength in nm of a light whose first order bright band forms a diffraction angle of 30 degrees, and the diffracti

Artist 52 [7]

Answer:

The wavelength is 3500 nm.

Explanation:

d= $\frac{1}{700 lines per mm} = 0.007mm = 7000 nm$

n= 1

θ= 30°

λ= unknown

Solution:

d sinθ = nλ

λ = $\frac{7000 nm sin 30}{1}$

λ = 3500 nm

8 0

4 years ago