47.543.

(5) 1: 6.

(8) v1 =100; v2 = 500; g=32.2.

h

(6) (7) EL. MEC. PP. 133, 148.

(9) from vertical plane through summit of given plane.

3

(10) 5√6.

(11) EL. HYD. P. 49.

XVI.
(2) Four times st. line
P-R
Q-R

(1) EL. MEC. P. 126. diagonals.

(3) x =

(4) 2-√3.

(7) EL. MEC. P. 238.

(10) MECH. PHIL. P. 243; (11) 60° 2′.

(5) EL. MEC. P. 92.

(9) s=2672 ft., t=1′ 31′′.

.1; w =

2 P-(Q+R)

(6) 12 ft.

(12) 7 ft.

XVII.

C (5) 25 lbs. ; inclination to A B 63° 26'; pt. of application of side from C, in DC produced.

(5) (7) (9) EL. MEC. PP. 103, 173, 236; 88° 16′; 33'06 lbs. (10) 11.

SP=64·4 ft., inclined to horizon at an ▲ 2a–90o. (12) 20 in.

(2) Four times the line joining the mid. pts. of A B and C D.

(7) Velocity=32·2√21 := ± tan-1. ; s=80·5√3, or 322√3.

(2) 258-81 and 965.925 lbs.

(4) EL. MEC. P. 65.

(8) v= √2g( √l2 + h2 − h), 2h=height, 21 = length of block; v = √2gμa.

(10) Equal.

(11) 33: 29.

(3) — (3+√6).
(7) 15528 ft.

(1) MECH. PHIL. P. 155.

XXXV.

(2) R=10; distance fr. 8 lbs. = 3'0217 ft. ; tan 0=

24+7√3
37

(4) 2 ft. from end.

(3) {(OC-OA)2 + (OB−OD)2 + 2 (OC-UA) (OB-OD) cos e}.

(6) 23.67; T= — lb.

(5) R-P; pt. (−3).

(7) 00906 in.

(8) 18917-5; 231840.

(11) 432-95 lbs.

(12) 3141.6 oz.

(6) 75

(7) EL. MEC. p. 181.

(2) 5 in. from end; 6 lbs.

(10) v=583 12 ft.; h=353.69 ft.

(12) MECH. PHIL. P. 281; Theoretical discharge, 35 c. f.;

Coef. of V3. 89.

(9) 2:3.

(11) 6.

(3) W rests at a pt. which divides the string into two parts,

(1) TODHUNTER'S STATICS, P. 36.

(6) v=20 ft.; direction inclined at 4 of 36° 52′ to ship's course.

(8) 78.

(10) u=043593; k 4 √3

a √3

(3)

(5) 40h. 47.5 m.

20