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mezya [45]
3 years ago
14

HELP HELP HELP HELP ME PLEASE HURRY

Physics
1 answer:
Blizzard [7]3 years ago
6 0

First answer is Muscle tissue. Second answer is Nervous tissue. Third answer is Epithelial tissue. And last answer is Connective tissue.

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A student of weight 652 N rides a steadily rotating Ferris wheel (the student sits upright). At the highest point, the magnitude
miskamm [114]

Answer:

Explanation:

Given

Weight of person W=652\ N

At highest point Magnitude of the normal force F=585\ N

net force at highest point

F_{net}=W+F_c

where F_c= centripetal force

F_c=\dfrac{mv^2}{r}

F_{net}=F_{n}= Normal Force

585=652+F_c

F_c=-67\ N

Negative sign shows force is in upward direction

At bottom point centripetal force is towards the bottom

F_n=F_c+W

F_n=652+67

F_n=719\ N  

8 0
4 years ago
The intensity of electromagnetic waves from the sun is 1.4 kW/m2 just above the earth's atmosphere. Eighty percent of this reach
Lina20 [59]

Answer:

4.7 × 10⁵J

Explanation:

E = I * a * t

80% = 0.80

25cm = 0.25m

52cm = 0.52m

0.90h = 3240s

E = (0.80)(1400)(0.25 * 0.52)(3240)

= 4.7 * 10⁵J

3 0
4 years ago
A hungry 11.5 kg predator fish is coasting from west to east at 75.0 cm/s when it suddenly swallows a 1.25 kg fish swimming from
Oksi-84 [34.3K]

Answer with Explanation:

We are given that

Mass,m=11.5 kg

v_x=75 cm/s=0.75 m/s,v_y=0

1 m=100 cm

m'=1.25 kg

v'_x=0,v'_y=3.6 m/s

According to law of conservation momentum along east west direction

11.5\times 0.75+1.25(0)=(11.5+1.25)V_x

8.625=12.75V_x

V_x=\frac{8.625}{12.75}

V_x=0.68 m/s

According to law of conservation of momentum along north south direction

11.5(0)+1.25(3.6)=(11.5+1.25)V_y

4.5=12.75V_y

V_y=\frac{4.5}{12.75}=0.35 m/s

V=\sqrt{V^2_x+V^2_y}

V=\sqrt{(0.68)^2+(0.35)^2}

V=0.76 m/s

Direction,\theta=tan^{-1}(\frac{V_y}{V_x})

\theta=tan^{-1}(\frac{0.35}{0.68})

\theta=27.23^{\circ}

5 0
4 years ago
Starting from rest, a disk takes 8 revolutions to reach an angular velocity ω at constant angular acceleration. how many additio
madam [21]
W^2 = 2 A 8 where A is the angular acceleration.
(3w)^2 = 2 A R where R is the number of revolutions.
Note that you are asked for the additional revolutions.
4 0
4 years ago
A bolt is to be tightened with a torque of 7.0 N · m. If you have a wrench that is 0.55 m long, what is the least amount of forc
kodGreya [7K]

To solve this problem we will apply the given concept for torque which explains the relationship between the force applied and the distance to a given point. Mathematically this relationship is given as

\tau = F*d \rightarrow F = \frac{\tau}{d}

Where,

\tau = Torque

F = Force

d = Distance

Our values are given as,

\tau = 7.0Nm , d = 0.55m

Therefore replacing we have that the force is

F = \frac{7}{0.55}

F = 12.72N

Therefore the least amount of force that you must exert is 12.72N

4 0
3 years ago
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