Radium decomposes at a rate proportional to the amount present. In 100 years, 100 mg of radium decompose to 96 mg. How many mgs will be left after another 100 years? What is the "half-life" of radium

Q: 2 m 2 m 4 m 3 m F= 630 N 4 m B

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Q: Q2 (a) Based on the straight current-carrying filamentary conductor of length AB as can be viewed in…

A: (a) Given:  OA=OB=1m, I=8A Refer to the figure below :

Q: The Cartesian coordinates of point P are (- 6.50 m, 8.75 m).   Question 4 The length of P is ......…

A: Given: The co-ordinate of point P = (-6.5 m., 8.75 m.),

Q: Suggest a way on how to use the parallelogram method to add more than two vectors.

A: Let us find resultant of 4 vectors A vector , B vector , C vector and D vector.

Q: Identify which of the following vectors are perpendicular to C. Vector C 80* 20* -------- 70° 20 50*…

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Q: 1. Please refer to the following vectors: A = 6i + 2j - 3k B = 3i - j - 2k C = -i + j - 4k D = j -…

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Q: M = -3î + 6j – 5k and Ñ = -2î + 3ĵ +.k The magnitude of vector N is: А) 3.74 B) 8.37 c) 70 D) 14 E)…

A: Given The vectors are given as M→=-3 i^+6 j^-5k^ and N→=-2 i^+3 j^+k^   We have to find magnitude of…

Q: The following vectors; A =, B = 1- Find the cross product 2- Find the angle between Ä and B. 3-…

A: Given,  A→= -2i^+4j^+2k^B→=-6i^+4j^-2k^1. A→×B→=-8-8i^+-12-4j^+-8+24k^=-16i^-16j^+16 k^2. Since we…

Q: What is the unit vector of the sum of 2i + 5j - 6k and 3j + 3k?

A: A→=2i+5j−6kB→=3j+3kR→=A→+B→=(2i+5j−6k)+(3j+3k)=2i+8j−3kNow

Q: What is the sum of the three vectors in the 2/3 picture: à = (4.2 m)î – (1.5 m)ĵ, ¯ = (−1.6 m)i +…

A: The sum of the three vectors are given by: a→=4.2 i-1.5 j mb→=-1.6 i+2.9 j mc→=-3.7 j mThe sum of…

Q: Given two vectors A = -2.00i3.00j4.00k and B 3.00i 1.00j 3.00k. Obtain components of a unit vector…

A: Given:

Q: Find the angle (direction) of the resultant of these given vectors: a: 3i +6j b: 7i-3j

A: Given that,a=3i + 6jb= 7i - 3jcosθ=a.bab

Q: Answer: T0.005@ A PERPENDICULARITY 8. Answer:

A: Perpendicularity within a 0.005 tolerance zone at MMC relative to datum A

Q: F1 = 123 N at 32° North of West F2 = 987 N at 10° North of East F3 = 543 N South F4 = 456 N at 25°…

A: Given:- F1 = 123 N at 32° North of West F2 = 987 N at 10° North of EastF3 = 543 N SouthF4 = 456 N at…

Q: Given two vectors: The magnitude of 2Ñ - Mis A) 6.08 B 7.07 C 39.2 D) 202 M = -3î+61-5k and Ñ = -2î…

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Q: a Ꮎ b r What is the angle, e in degrees given: Arc length ab = 20.3 r=6

A: FINAL ANSWER: The central angle is:θ=193.8507207∘ Explanation:GUIDE: (1) Arc Length Formula (a) When…

Q: 2. The driver of a car drives 3.00 km north, 2.00 km northeast (45.0° east of north). 4.00 km west,…

A: Note : Since there is multiple question, Kindly resubmit the rest question separately to get the…

Q: A 4 m 3 m y 3 m 1 m B.

A: Write the position vectors of points A and B.

Q: The unit vectors e, and eg are the base vectors of a rotating reference frame, similar to the path…

A: The unit vectors er, and et are the base vectors of a rotating reference frame, similar to the path…

Q: Determine a unit vector parallel to the resultant vector of 2i + 9j – 9k lb, – 2i – 6j + 8k lb, and…

A: Given: First vector (v1)→ = 2i^ + 9j^ - 9k^ lbSecond vector (v2)→ = -2i^ - 6j^ + 8k^ lbThird vector…

Q: Given two vectors: The magnitude of vector N is: (A) No Answer M = -3î+6ĵ- 5k and B) 70 Ñ = -2î + 3ĵ…

A: Given -            N → =-2i^+3J^+k^

Q: Three vectors are given, what is 3C · (2A × B)? A = 2î + 33 – 4k B = -3î + 43 + 2k Č = 7î – 8ĵ

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Q: For the following three vectors, what is 3. 7 . (2 Ả × B )? A = 2.00î + 4.00) – 3.00k B = - 3.00î +…

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Q: The velocity is related to angular velocity by ở = × 7, where ☎ is the position vector. If 7 is…

A: